You know that thing about celebrities dying in threes? Robin Gibb, one of the Bee Gees, died today at age 62. He had been living with colon and liver cancer for some time and more recently was in a coma from complications related to pneumonia.

The 1970s were a time of significant changes in music, but disco could be called the soundtrack of that decade and no group was associated with that music form more than the Bee Gees.

So just this week: Chuck Brown, Donna Summer, Robin Gibb.  Three, each an icon in their own way.  Each with a legacy of very memorable music.