Ben Liebrand has remixed tracks by what English singer whose 1987 song "Never Gonna Give You Up" was a number 1 hit single in 25 countries?
Ben Liebrand:  He has produced artists such as Forrest and MC Miker G & DJ Sven and remixed tracks by artists such as Michael Jackson, Salt N Pepa, Sting, TLC, Fun Fun, Tavares, Bill Withers, Frankie Valli & The Four Seasons, George Aaron, Rick Astley, SWV and Phil Collins. Rick Astley: Richard Paul "Rick" Astley ( ; born 6 February 1966) is an English singer, songwriter and radio personality.
i don't know