The Bluenotes, a prominent rhythm and blues group, are best known for their association with singer Teddy Pendergrass. Formed in the 1970s, their musical style combines elements of soul and R&B, characterized by powerful vocals and emotive lyrics. The group reached the height of their popularity in the mid-70s to early 80s, with Pendergrass as the lead vocalist, producing influential hits like "If You Don't Know Me By Now". Their contribution to R&B music continues to resonate, influencing many artists in the genre.