A "pop band" refers to a group of musicians who create and perform popular music that tends to have catchy melodies, simple lyrics, and is aimed at a wide audience. Full definition
If you struggle to engage the glutes, pop a band around your knees, lift the toes and even turn your feet slightly out. (womenshealthandfitness.com.au)
On one hand, it's a film about an underdog teen pop band, and that's probably the most endearing incarnation of this story. (thewrap.com)
Frank is a comedy about a young wannabe musician, Jon (Gleeson), who discovers he's bitten off more than he can chew when he joins an eccentric pop band led by the mysterious and enigmatic Frank (Fassbender). (filmireland.net)