What key details about the lettermen can be extracted from the following bio? Bio: the lettermen is an american male pop music vocal trio . the lettermen 's trademark is close-harmony pop songs with light arrangements . the group started in 1959 . they have had two top 10 singles -lrb- both # 7 -rrb- , 16 top 10 singles on the adult contemporary chart including one # 1 , 32 consecutive billboard magazine chart albums , 11 gold records , and five grammy nominations .
- alt is the lettermen 1964- years active is 1959-present- caption is the trio in 1964 .- origin is las vegas , nevada- label is capitol- genre is pop- name is the lettermen- background is group_or_band- image is the lettermen 1964.jpg