“I Want to Know What Love Is” is a monumental, globally revered 1984 power ballad that stands as Foreigner’s biggest commercial success and an absolute masterpiece of emotional orchestration. The song is a slow-burning triumph, starting with a cold, minimalist synthesizer line and Lou Gramm’s quiet, reflective vocals before gradually layering in a rich bassline and swelling keyboard pads. The track features a historic, spine-chilling guest appearance by the New Jersey Mass Choir, elevating the production into a towering wall of sound.

The lyrics explore deep themes of emotional isolation, past heartbreak, and the ultimate, desperate desire to finally experience a true, transcendent romantic connection. Gramm delivers one of the greatest vocal performances in rock history, singing with an incredible, raw vulnerability that perfectly matches the spiritual intensity of the gospel choir. The track’s profound emotional depth and unforgettable, stadium-sized chorus turned it into a permanent global number-one hit and an enduring anthem of hope and healing.