The Brief: TikToker's are testing their finger coordination by taping their left, index finger and thumb to a different beat than their right, index finger and thumb to the song Junko (Despair) by Josiane Lessard.

DEEP DIVE
The trend, touted as a trick only piano players can master, is marked by TikTokers tapping their index fingers against their thumbs. The left and right fingers are tapping to two different rhythms featured in the track Junko (Despair) by Josiane Lessard.
In December 2019, the audio was used for an anime pose challenge. TikToker’s imitated Danganronpa’s Junko’s poses which consisted of very fast crossing arm motions.
@kiri.jaz I remember when I first saw this trend I literally thought I could never learn how to do poses πππ
Now TikTokers are zeroing in on their finger coordination. Many popular creators have tried the trend, including Loren Gray.
@lorengray and thatβs on ~ no coordination ~ π₯°βπ»
@ondreazlopez First attempt at this π³
The fast finger action was simple for some, primarily former pianists, like Michael Le (@justmaiko).
@justmaiko i used to play piano soπ€·ββοΈπ
It took a lot more concentration for others, like popular creators Jason Derulo (@jasonderulo).
@jasonderulo πππI dare u to duet your attempt π€ͺ
@wot.dennis this is took major focus
The trend was an utter fail for many others.
@peytoncoffee got the W… ignore my laugh