Round up yer friends pawtner....for cowboys who sort of sing....stars of the popular western TV series Bonanza, popular in the 1960s and 70s, welcome you into their home to croon a tune this week on our Bonanza Singing Special.stars of the popular western TV series Bonanza, popular in the 1960s and 70s, welcome you into their home to croon a tune this week on our Bonanza Singing Special.