OK, back to the 90's (no excuses, Gina!): Inspired by The Beach Boys, these 3 brothers were 16, 13 and 11 in '97 when they wrote and recorded their first and biggest hit. Talks about ephemeral friendships and trying to hold on to the things that really matter. It topped the charts in 27 countries and ranked #20 on VH1's "100 Greatest Songs Of The 90's". Received 2 Grammy nominations in '98. Group? Song?http://www.youtube.com/watch?v=NHozn0YXAeE
Yesterday's answer: "If you Don't Know Me By Now" by Harold Melvin and The Blue Notes.