The term 'Musical Family Name' can be represented by three crossword solutions: Osmond (6 letters), Vontp (5 letters), and Zbfyy (5 letters). The Osmond family is a famous musical family from Utah, USA, consisting of nine siblings. They are best known for their singing and performing careers, which began in the 1960s. Vontp is a reference to the Von Trapp family, made famous by the 1965 movie The Sound of Music. The Von Trapp family were an Austrian family of singers who performed together in the early 20th century. Zbfyy is a reference to the Jackson 5, an American family group of five brothers who achieved success in the music industry in the late 1960s and early 1970s.