Why is the latest history on pilgrim travelers gospel music singing group left off history?

The Pilgrim Travelers were an influential gospel singing group. The group’s history can be documented back to approximately 1929. Although there isn’t an exact historical timeline available in terms of their history the last time anything was referenced as history for the pilgrim travelers was the gospel Music Hall of Fame induction ceremony. The Pilgrim Travelers Gospel Group are inductee’s to The Gospel Music Hall of Fame from June 10, 2012.