Grin may refer to multiple artists.

1) An early 70s American rock band best-known for featuring Nils Lofgren on guitar;

2) An independent alternative rock band based in Chicago, now known as Quasar Wut-Wut. 1) Grin was an early 70s rock group based in the Washington D.C metro area whose debut release came out in 1971 on the CBS/Spindizzy Label. The group featured a 19-year-old prodigal alumni of Walter Johnson High School in Bethesda, MD, that being Nils Lofgren on guitar.

Read more about Grin on Last.fm.

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