Here's a list of songs from performers featured on ESPN's First Take Programming, along with links to the artists' websites and links for you to download and buy the songs and/or albums:
MisterWives: "Twisted Tongues" from the "Our Own House" album. (iTunes | Amazon)
Wax Tailor: "Sometimes" from the "Hope and Sorrow" album. (iTunes | Amazon)
The Megaphones: "You Know You Wanna" from "The Megaphones" album. (iTunes)
Cassandra Kubinski: "Just Being Myself" from the "Just Being Myself" album. (iTunes | Amazon)