Linear is an American freestyle-pop group that originated in the late 1980s. The band, led by vocalist Charlie Pennachio, is most recognized for their 1990 hit single "Sending All My Love," which reached number 5 on the Billboard Hot 100 chart. Linear's musical style is characterized by a blend of pop and freestyle, with synth-driven melodies and romantic lyrics. Despite their brief peak, the group's fusion of pop and freestyle genres played a notable role in the early 1990s music scene.