"The Magic Key" is a 2003 hip-hop/electronic song recorded by French animated feature One-T + Cool-T.

It was the third single from the album The One-T ODC and was released in April 2003.

The song samples 'Má Hra' (1971 album 'Nová Syntéza') by Blue Effect, a Czechoslovak progressive rock band.

It was the third most played songs on European radio and television during the third quarter of 2003 and performed one of the longest-running singles in the 2003 French SNEP Singles Charts (41 weeks), peaking at #9.

[1] An animated music video was also released, featuring the characters on the single cover.