import { Api } from "https://deno.land/x/grammy@v1.11.1/mod.ts";
Use this method to send audio files, if you want Telegram clients to display them in the music player. Your audio must be in the .MP3 or .M4A format. On success, the sent Message is returned. Bots can currently send audio files of up to 50 MB in size, this limit may be changed in the future.
For sending voice messages, use the sendVoice method instead.
Parameters
Unique identifier for the target chat or username of the target channel (in the format @channelusername)
Audio file to send. Pass a file_id as String to send an audio file that exists on the Telegram servers (recommended), pass an HTTP URL as a String for Telegram to get an audio file from the Internet, or upload a new one using multipart/form-data.
Optional AbortSignal to cancel the request
Official reference: https://core.telegram.org/bots/api#sendaudio