So I see lemonademilk WR run for Career Any% Hard/Expert and he did the Alt+Tab technique after each song. And, I have tried the Alt+Tab but sometimes it glitches my game and it stop moving for some time after some clicks.

Is there an alternative way to pause the game after each song other than Alt+Tab technique?

idk i did it normally all times, in windowed mode and have build gh3 from plumato guide