'The use of music material in 'videos for the purpose of introducing music' is prohibited.
「BGMまとめ動画」への利用禁止

Download(MP3,OGG,M4A) :  https://peritune.com/retrorpg_dungeon/
mp3(192kbps)はフリーDL出来、個人・商用問わず無料でお使いいただけます。
https://peritune.com/

16-bit RetroRPG Dungeon(Royalty Free Music)

'The use of music material in 'videos for the purpose of introducing music' is prohibited.

フリー音楽素材サイト「PeriTune」
(Royalty Free Music Material )
http://peritune.com/

Soundtrack / Game Music / Ambient / New Age / Chillout / Celtic / Ethnic / Folk music / Choir / Atmosphere / Fantasic music