Vampire Weekend played "Unbelievers" and "Hannah Hunt" from their latest, Modern Vampires of the City, on Jimmy Kimmel Live.
Danny Brown brought in Megan James from Purity Ring to guest on "25 Bucks" from last year's Old.
Utah's Neon Trees played "Sleeping With a Friend," a track from their upcoming album, Pop Psychology.
Experimental pop band Cults played "Keep Your Head Up" on Letterman.
British singer Ellie Goulding performed "Burn," a bonus track from the re-release of 2012's Halcyon.
Indie electronica act Wild Cub released their debut album, Youth, this week, and celebrated by performing "Thunder Clatter" in their television debut.
Finally, SNL alum Kevin Nealon decided to show off his banjo hobby on Late Night With Jimmy Fallon.