Noteside: An unexpected hit (like Psycho, Time for the moon night, Dumdi Dumdi) does not qualify as a new "peak" considering past releases didn't do well
Peak is mostly = SK + internationally
Peak: Bad boy
Decline: Zimzalabim
Peak: Rough
Decline: Fingertip
Decline: not yet
TWICE
Peak: What is love
Decline: More & More
Peak: Hip (very similar to Psycho, but Mamamoo never experienced such a high international visibility before)
Decline: AYA
Peak: Latata
Decline: Hard to tell but overall Señorita
Peak: Dalla Dalla
Decline: Icy
Peak: Nonstop/Dolphin
Decline: not yet