Ddr Ddr How Do You Unlock Songs On DDR Extreme And DDR Max?

How do you unlock songs on DDR Extreme and DDR Max? - ddr ddr

Okay, so today I DDR Extreme and DDR Max and I am delighted to open up new songs. But not a hyper-stellar master mode or a master of Moses, and that's what I always knew how to unlock songs. Is it different in earlier versions?