Jared Leto and Jimmy Fallon Go Head-to-Head in "Name That Song Challenge"

Andrew Lipovsky/NBC

The Human League and Tom Jones were featured in Wednesday's 'Tonight Show' game.

Jared Leto, actor and frontman of Thirty Seconds to Mars, came on The Tonight Show Starring Jimmy Fallon to join the host for the "Name That Song Challenge" with The Roots.

The band starts playing popular songs one instrument at a time, building to the full arrangement, while Leto and Fallon race to guess what song was being played.

Fallon guessed the first two tracks, "Don't You Want Me" by The Human League and "It's Not Unusual" by Tom Jones. Leto caught on for a bit, though, guessing the next numbers before Fallon, who he referred to as a "musical genius." Of course, Fallon is a pro at his own games, and he won it all in the end.

During his post-game interview, Leto talked about making more music with Thirty Seconds to Mars and his many performance antics. Leto recalled running offstage when he noticed a zip line in the middle of a concert in Brazil, a feat he repeated for his stage entrance during his most recent return to the venue.

Watch the segment below.

This article originally appeared on Billboard.com.