diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/InputMediaAudio.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/InputMediaAudio.kt
index 461d4f217b..f430f993eb 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/InputMediaAudio.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/InputMediaAudio.kt
@@ -5,9 +5,13 @@ import dev.inmo.tgbotapi.CommonAbstracts.Performerable
 import dev.inmo.tgbotapi.requests.abstracts.*
 import dev.inmo.tgbotapi.types.ParseMode.ParseMode
 import dev.inmo.tgbotapi.types.ParseMode.parseModeField
+import dev.inmo.tgbotapi.types.files.AudioFile
+import dev.inmo.tgbotapi.types.files.PhotoSize
 import dev.inmo.tgbotapi.types.mediaField
-import kotlinx.serialization.SerialName
-import kotlinx.serialization.Serializable
+import dev.inmo.tgbotapi.types.message.content.media.AudioContent
+import kotlinx.serialization.*
+
+internal const val audioInputMediaType = "audio"
 
 @Serializable
 data class InputMediaAudio(
@@ -19,10 +23,26 @@ data class InputMediaAudio(
     override val performer: String? = null,
     override val title: String? = null,
     override val thumb: InputFile? = null
-) : InputMedia, DuratedInputMedia, ThumbedInputMedia, TitledInputMedia, CaptionedOutput, Performerable {
-    override val type: String = "audio"
+) : InputMedia, MediaGroupMemberInputMedia, DuratedInputMedia, ThumbedInputMedia, TitledInputMedia, CaptionedOutput, Performerable {
+    override val type: String = audioInputMediaType
+
+    override fun serialize(format: StringFormat): String = format.encodeToString(serializer(), this)
 
     @SerialName(mediaField)
     override val media: String
     init { media = file.fileId } // crutch until js compiling will be fixed
 }
+
+fun AudioFile.toInputMediaAudio(
+    caption: String? = null,
+    parseMode: ParseMode? = null,
+    title: String? = this.title
+): InputMediaAudio = InputMediaAudio(
+    fileId,
+    caption,
+    parseMode,
+    duration,
+    performer,
+    title,
+    thumb ?.fileId
+)
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/InputMediaDocument.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/InputMediaDocument.kt
index 9d40fa4660..e6d918a278 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/InputMediaDocument.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/InputMediaDocument.kt
@@ -4,9 +4,11 @@ import dev.inmo.tgbotapi.CommonAbstracts.CaptionedOutput
 import dev.inmo.tgbotapi.requests.abstracts.*
 import dev.inmo.tgbotapi.types.ParseMode.ParseMode
 import dev.inmo.tgbotapi.types.ParseMode.parseModeField
+import dev.inmo.tgbotapi.types.files.DocumentFile
 import dev.inmo.tgbotapi.types.mediaField
-import kotlinx.serialization.SerialName
-import kotlinx.serialization.Serializable
+import kotlinx.serialization.*
+
+internal const val documentInputMediaType = "document"
 
 @Serializable
 data class InputMediaDocument(
@@ -15,10 +17,22 @@ data class InputMediaDocument(
     @SerialName(parseModeField)
     override val parseMode: ParseMode? = null,
     override val thumb: InputFile? = null
-) : InputMedia, ThumbedInputMedia, CaptionedOutput {
-    override val type: String = "document"
+) : InputMedia, MediaGroupMemberInputMedia, ThumbedInputMedia, CaptionedOutput {
+    override val type: String = documentInputMediaType
+
+    override fun serialize(format: StringFormat): String = format.encodeToString(serializer(), this)
 
     @SerialName(mediaField)
     override val media: String
     init { media = file.fileId } // crutch until js compiling will be fixed
 }
+
+fun DocumentFile.toInputMediaDocument(
+    caption: String? = null,
+    parseMode: ParseMode? = null
+) = InputMediaDocument(
+    fileId,
+    caption,
+    parseMode,
+    thumb ?.fileId
+)
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/MediaGroupMemberInputMediaSerializer.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/MediaGroupMemberInputMediaSerializer.kt
index 12faeb251c..2933aa558b 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/MediaGroupMemberInputMediaSerializer.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InputMedia/MediaGroupMemberInputMediaSerializer.kt
@@ -16,6 +16,8 @@ internal object MediaGroupMemberInputMediaSerializer : KSerializer<MediaGroupMem
         when (value) {
             is InputMediaPhoto -> InputMediaPhoto.serializer().serialize(encoder, value)
             is InputMediaVideo -> InputMediaVideo.serializer().serialize(encoder, value)
+            is InputMediaAudio -> InputMediaAudio.serializer().serialize(encoder, value)
+            is InputMediaDocument -> InputMediaDocument.serializer().serialize(encoder, value)
         }
     }
 
@@ -25,6 +27,8 @@ internal object MediaGroupMemberInputMediaSerializer : KSerializer<MediaGroupMem
         return when (json[typeField] ?.jsonPrimitive ?.contentOrNull) {
             photoInputMediaType -> nonstrictJsonFormat.decodeFromJsonElement(InputMediaPhoto.serializer(), json)
             videoInputMediaType -> nonstrictJsonFormat.decodeFromJsonElement(InputMediaVideo.serializer(), json)
+            audioInputMediaType -> nonstrictJsonFormat.decodeFromJsonElement(InputMediaAudio.serializer(), json)
+            documentInputMediaType -> nonstrictJsonFormat.decodeFromJsonElement(InputMediaDocument.serializer(), json)
             else -> error("Illegal type of incoming MediaGroupMemberInputMedia")
         }
     }
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/content/media/AudioContent.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/content/media/AudioContent.kt
index dde0d121f2..07be31f7ca 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/content/media/AudioContent.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/content/media/AudioContent.kt
@@ -1,18 +1,17 @@
 package dev.inmo.tgbotapi.types.message.content.media
 
-import dev.inmo.tgbotapi.CommonAbstracts.CaptionedInput
 import dev.inmo.tgbotapi.CommonAbstracts.TextPart
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.requests.send.media.SendAudio
 import dev.inmo.tgbotapi.types.ChatIdentifier
-import dev.inmo.tgbotapi.types.InputMedia.InputMediaAudio
+import dev.inmo.tgbotapi.types.InputMedia.*
 import dev.inmo.tgbotapi.types.MessageIdentifier
 import dev.inmo.tgbotapi.types.ParseMode.HTMLParseMode
 import dev.inmo.tgbotapi.types.ParseMode.MarkdownV2
 import dev.inmo.tgbotapi.types.buttons.KeyboardMarkup
 import dev.inmo.tgbotapi.types.files.AudioFile
 import dev.inmo.tgbotapi.types.message.abstracts.ContentMessage
-import dev.inmo.tgbotapi.types.message.content.abstracts.MediaContent
+import dev.inmo.tgbotapi.types.message.content.abstracts.*
 import dev.inmo.tgbotapi.utils.toHtmlCaptions
 import dev.inmo.tgbotapi.utils.toMarkdownV2Captions
 
@@ -20,7 +19,7 @@ data class AudioContent(
     override val media: AudioFile,
     override val caption: String? = null,
     override val captionEntities: List<TextPart> = emptyList()
-) : MediaContent, CaptionedInput {
+) : MediaGroupContent {
     override fun createResend(
         chatId: ChatIdentifier,
         disableNotification: Boolean,
@@ -40,6 +39,11 @@ data class AudioContent(
         replyMarkup
     )
 
+    override fun toMediaGroupMemberInputMedia(): MediaGroupMemberInputMedia = media.toInputMediaAudio(
+        toHtmlCaptions().firstOrNull(),
+        HTMLParseMode
+    )
+
     override fun asInputMedia(): InputMediaAudio = InputMediaAudio(
         media.fileId,
         toMarkdownV2Captions().firstOrNull(),
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/content/media/DocumentContent.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/content/media/DocumentContent.kt
index 660347256a..530482b6db 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/content/media/DocumentContent.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/content/media/DocumentContent.kt
@@ -5,7 +5,7 @@ import dev.inmo.tgbotapi.CommonAbstracts.TextPart
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.requests.send.media.SendDocument
 import dev.inmo.tgbotapi.types.ChatIdentifier
-import dev.inmo.tgbotapi.types.InputMedia.InputMediaDocument
+import dev.inmo.tgbotapi.types.InputMedia.*
 import dev.inmo.tgbotapi.types.MessageIdentifier
 import dev.inmo.tgbotapi.types.ParseMode.HTMLParseMode
 import dev.inmo.tgbotapi.types.ParseMode.MarkdownV2
@@ -13,6 +13,7 @@ import dev.inmo.tgbotapi.types.buttons.KeyboardMarkup
 import dev.inmo.tgbotapi.types.files.DocumentFile
 import dev.inmo.tgbotapi.types.message.abstracts.ContentMessage
 import dev.inmo.tgbotapi.types.message.content.abstracts.MediaContent
+import dev.inmo.tgbotapi.types.message.content.abstracts.MediaGroupContent
 import dev.inmo.tgbotapi.utils.toHtmlCaptions
 import dev.inmo.tgbotapi.utils.toMarkdownV2Captions
 
@@ -20,7 +21,7 @@ data class DocumentContent(
     override val media: DocumentFile,
     override val caption: String? = null,
     override val captionEntities: List<TextPart> = emptyList()
-) : MediaContent, CaptionedInput {
+) : MediaGroupContent {
     override fun createResend(
         chatId: ChatIdentifier,
         disableNotification: Boolean,
@@ -37,6 +38,11 @@ data class DocumentContent(
         replyMarkup
     )
 
+    override fun toMediaGroupMemberInputMedia(): MediaGroupMemberInputMedia = media.toInputMediaDocument(
+        toHtmlCaptions().firstOrNull(),
+        HTMLParseMode
+    )
+
     override fun asInputMedia(): InputMediaDocument = InputMediaDocument(
         media.fileId,
         toMarkdownV2Captions().firstOrNull(),