The Tonight Show Starring Jimmy Fallon
Monday 4/25: Ariana Grande
Tuesday 4/26: Graham Nash
Wednesday 4/27: Fitz & the Tantrums
Thursday 4/28: Rae Sremmurd

The Late Show with Stephen Colbert
Monday 4/25: Bob Mould
Wednesday 4/27: Catfish and the Bottlemen
Friday 4/29: Gwen Stefani

Jimmy Kimmel Live
Monday 4/25: Iggy Pop
Tuesday 4/26: James Bay
Wednesday 4/27: John Mellencamp
Thursday 4/28: Robert Randolph, Nick Jonas featuring Tove Lo

Conan
Tuesday 4/26: Meg Myers

Late Night With Seth Meyers
Monday 4/25: Run River North, Will Calhoun
Tuesday 4/26: Will Calhoun
Wednesday 4/27: The Wild Feathers, Will Calhoun
Thursday 4/28: Will Calhoun

The Late Late Show with James Corden
Monday 4/25: Nathaniel Rateliff & the Night Sweats
Thursday 4/28: Joss Stone
Friday 4/29: Panic! at the Disco (rerun)

Last Call with Carson Daly
Monday 4/25: The Coathangers
Tuesday 4/26: Gateway Drugs
Wednesday 4/27: Lower Dens
Thursday 4/28: The Soft Moon, Car Seat Headrest
Friday 4/29: Gems (rerun)

Source: http://www.interbridge.com/lineups.html