By using Send Anywhere's music player, you can play the music that received in Send Anywhere app.
Open and Play Music files in Files tab
If you tap the thumbnail or file name of a music file on Files tab, the music player opens. Tap the bottom 'Play' button to play the song.
All received music files are displayed on the music list and you can select other songs to play multiple songs.
Play Music with Mini Player in Files tab
In Files tab, you can select music files you want to listen to, then click 3 dots icon at the bottom and click 'Play Selected Music' to play music right away. When the song is playing, a mini player appears.