The J. Geils Band /ˌdʒeɪ ˈɡaɪlz/ was an American rock band formed in 1967, in Worcester, Massachusetts, under the leadership of guitarist John "J." Geils. The original band members included vocalist Peter Wolf, harmonica and saxophone player Richard "Magic Dick" Salwitz, drummer Stephen Bladd, vocalist/keyboardist Seth Justman, and bassist Danny Klein. Wolf and Justman served as principal songwriters. The band played R&B-influenced blues rock during the 1970s and soon achieved commercial success before moving toward a more mainstream radio-friendly sound in the early 1980s, which brought the band to its commercial peak. They performed a mix of cover songs of classic blues and R&B songs, along with original compositions written primarily by Wolf and Justman, as well as some group compositio