A collection of BGM apps that can be used when there is no sound and you are lonely
Contains music box-style music and classical music

When you're working on something, having an event, playing with friends, etc.
Please use it when you want to play music anyway.

It ’s a song that makes you feel calm when you want to relax and when you sleep.

The sound source was borrowed from Otologic (CC BY 4.0).