Bill monroe september 13 1911 september 9 1996 was an american mandolinist who helped create the style of music known as bluegrassthe genre takes its name from his band the blue grass boys named for monroes home state of kentucky monroes performing career spanned 60 years as a singer instrumentalist composer and bandleader. Explore releases from bill monroe his blue grass boys at discogs shop for vinyl cds and more from bill monroe his blue grass boys at the discogs marketplace. Bill monroe september 13 1911 september 9 1996 was an american mandolinist who helped create the style of music known as bluegrassthe genre takes its name from his band the blue grass boys named for monroes home state of kentucky monroes performing career spanned 60 years as a singer instrumentalist composer and bandleader. The very best of bill monroe and his blue grass boys supersedes the labels now out of print 1991 album country music hall of fame as a single disc full priced examination of his decca mca years it chooses 22 tracks at a running time of less than an hour ranging from monroe s first recording session for decca in 1950 to a 1981 mca session