塞壬唱片-MSR (Monster Siren Records), is a fictional record company in the world of Chinese mobile tower defense gacha video game, Arknights. Music from Arknights officially released under and credited to 塞壬唱片-MSR (Monster Siren Records) can be found on Netease Music, Spotify, and the Official MSR Website In-game, Monster Siren Records (MSR) is one of the largest music publishers in the world of Arknights. From pagan heavy metal bands to idols, MSR has signed artists across all genres of music.