The Groove Line was a single written by which songwriter and record producer?
Rod Temperton Rodney Lynn "Rod" Temperton (9 October 1949 – September/October 2016) was an English songwriter, record producer and musician. He initially made his mark as the keyboardist and main songwriter for the 1970s R&B, funk and disco band Heatwave, whose hit songs included "Boogie Nights" and "Always and Forever".
Richard Feldman (songwriter) Richard Feldman is a Grammy Award-winning American songwriter and producer, raised in Tulsa, Oklahoma. He worked at Leon Russell's Church Studio in Tulsa before moving to Los Angeles in 1978, where he worked at Shelter Records. That year he co-wrote "Promises" for Eric Clapton with Roger Linn. The demo was recorded using an early version of the Linndrum. He also wrote songs for the Pointer Sisters, Atlantic Starr, Don Williams, Joe Cocker, The Wailing Souls and many others as well as writing and producing music for Belinda Carlisle, The Eurythmics, Shakespears Sister and Midge Ure.