OST by other composers like Lena Raine aren't playing in the title screen, except for Amos Roddy's Soundtrack

The OST played on both title screen and survival worlds are rarely/mostly played and which is composed by Lena Raine, however, Amos Roddy, Kumi Tanioka and C418’s soundtrack is commonly played in survival worlds or in the title screen.

Could you fix this issue as soon as possible?