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".
List of songs written by Gary Barlow Gary Barlow OBE (born 20 January 1971 in Frodsham, Cheshire) is an English singer-songwriter, pianist and record producer. He is the lead vocalist and songwriter of the pop group Take That, and is one of the UK's most successful songwriters, having written 13 number 1 singles in the UK to date including Back for Good which went to number 1 in 31 countries across the world.