perf-k Golden Child's Burn It and IZ*ONE's Rumor are composed and choreographed by the same people

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The songs are by production team called 13, also the same geniuses behind IZ*ONE's O Sole Mio, Gfriend's Better Me, and X1's Flash.

Both are choreographed by Freemind's Choi Youngjun, also known as the dance mentor of Produce 48. He's also the choreographer of Monsta X's Dramarama, Twice's TT, Seventeen's Don't Wanna Cry, and GOT7's Never Ever.