Know What Love Is" (Donni Hotwheel Tempo Mix) – 3:06 "I Want to Know What Love Is" (Low Sunday Tempo Mix) – 3:16 "I Want to Know What Love Is" (Moto Blanco Club Edit) – 3:25 "I Want to Know What Love Is" (Cutmore's Radio Shakedown) – 3:13 "I Want to Know What Love Is" (Chew Fu Radio Fix) – 3:52 "I Want to Know What Love Is" (Chriss Ortega Club Edit) – 3:36 "I Want to Know What Love Is" (Nu Addiction Club Edit) – 3:30 "I Want to Know What Love Is" (Moto Blanco Club Mix) – 6:53 "I Want to Know What Love Is" (Cutmore's Club Shakedown) – 6:45 "I Want to Know What Love Is" (Chew Fu Club Fix) – 6:03 "I Want to Know What Love Is" (Chriss Ortega Club Mix) – 6:05 "I Want to Know What Love Is" (Nu Addiction Club Mix) – 6:54 "I Want to Know What Love Is" (Moto Blanco Dub) – 6:23 "I Want to Know What Love Is" (Nu Addiction Dub) – 8:43 Credits and personnel Adapted from CD liner notes. Recording locations Recorded at The Boom Boom Room (Burbank, California), The Setai (Miami, Florida) and Honeywest Studios (New York City). Additional background vocals and mixing at Soapbox Studios (Atlanta). Personnel Backing Vocals – Big Jim Wright, Mary Ann Tatum, Sherry McGhee, Sherry Tatum Drums – Jerohn Garnett Engineer [Additional] – Carlos Oyanedel, Damien Lewis Keyboards – Matthew Rollings Keyboards, Organ [Hammond B3] – Big Jim Wright, Tricky Stewart Lead Vocals – Mariah Carey Mixed By – Phil Tan Producer – C. "Tricky" Stewart*, James "Big Jim" Wright, Mariah Carey Producer [Additional], Bass – Randy Jackson Programmed By [Keyboards] – John Lemkuhl Recorded By – Brian Garten, Chris 'Tek' O'Ryan*, Kevin Guarnieri Recorded By [Assistant Engineer] – Luis Navarro Written-By – Mick Jones Chart performance The song peaked on the US Billboard Adult Contemporary chart at number 10 bringing Carey's total number of Top Ten hits on that chart to 20, one short of Celine Dion's record. She has since surpassed this and is now tied with Celine Dion after her single "Oh Santa!" reached number one in 2010. However, it only peaked at #60 on the US Hot 100. On the UK Singles Chart, the song debuted at number 19 on the week ending November 29, 2009, becoming her highest debuting and peaking song since 2008's "Touch