The Gap Band, centered around brothers Charlie, Ronnie, and Robert Wilson, toiled in obscurity for several years prior to becoming one of the most popular funk groups of the late '70s and 1980s. The Tulsa, OK natives produced 15 Top Ten R&B singles ranging from ferocious funk anthems to gorgeous slow jams. Many of their hits, such as "Burn Rubber (Why You Wanna Hurt Me)" and "You Dropped a Bomb on Me," featured instantly memorable, rippling synthesizer basslines. All of them featured Charlie's deep, invigorating lead vocals. While casual R&B fans and most critics associate the Gap Band with the early '80s, the Wilsons' run of hits spanned nearly 20 years, from 1977 through 1995.