The term 'Swing Alternative' refers to a style of jazz music that emerged in the 1940s as an alternative to the popular swing style. The crossword solutions for this term are ROCK (4 letters), BEBOP (5 letters), and Amatterofcourse (15 letters). ROCK is a genre of popular music that originated in the 1950s and is characterized by a heavy beat and electric instruments. BEBOP is a style of jazz music that developed in the 1940s and is characterized by fast tempos, improvisation, and complex harmonies. Amatterofcourse is a phrase used to describe something that is expected or taken for granted.