Stevie Wonder is an American singer-songwriter, musician, and record producer. He is regarded as one of the most influential musicians of the 20th century. Wonder is credited as a pioneer and influence by musicians across a range of genres that include R&B, pop, soul, gospel, funk, and jazz. A virtual one-man band, Wonder's use of synthesizers and other electronic musical instruments during the 1970s reshaped the conventions of contemporary R&B.