Which American rock band has the most members, Matchbox Twenty of PVRIS?
Matchbox Twenty: Matchbox Twenty is an American rock band, formed in Orlando, Florida, in 1995. Matchbox Twenty:  The group currently consists of Rob Thomas (lead vocals, rhythm guitar, keyboards), Kyle Cook (lead guitar, backing vocals), Brian Yale (bass), and Paul Doucette (rhythm guitar, drums, backing vocals). PVRIS: PVRIS (pronounced Paris) is an American rock band from Lowell, Massachusetts formed by members Lynn Gunn, Alex Babinski, and Brian MacDonald.
Matchbox Twenty