You Are The Sunshine Of My Life, arr Brass Band Goff Richards
 
Try this as an insight of the arrangement:- https://www.youtube.com/watch?v=KyiaNJDWEg0
 
Conceived to feature a sextet of 3 Flugel Horns and 3 trombones, with brass band, it may substitute cornets or a mix.
 
"You Are the Sunshine of My Life" is a 1973 single released by Stevie Wonder. The song became Wonder's third number-one single on the Billboard Hot 100 chart and his first number-one on the Easy Listening chart. It won Wonder a Grammy Award for Best Male Pop Vocal Performance, and was nominated for both Record of the Year and Song of the Year. This song was the second single (following "Superstition") released from the 1972 album entitled Talking Book, which stayed at number one on the R&B albums chart for three weeks.