Stray Kids Side Effects -

: Felix often highlights the "headache" (Meori apeuda) move and the addictive leg-wiggle sequence as the song's signature choreography. Musical Arrangements For musicians looking for sheet music or covers:

Known for its chaotic and high-energy choreography, "Side Effects" is often cited as one of the group's most difficult dances. Stray Kids Side Effects

: Tutorials are available to learn the specific pre-chorus and chorus sections , which use a unique triplet rhythm counted as "one and a two and a three and a four". : Felix often highlights the "headache" (Meori apeuda)