With its irresistible blend of hip-swiveling hits, eye-popping fashions and outrageous dance moves, SHOUT! The Mod Musical takes audiences back to the music, style and freedom of the 1960s. This review follows five groovy gals coming of age during those glorious days that made England swing, with terrific new arrangements of such classic tunes as “To Sir with Love,” “Downtown,” “Son of a Preacher Man” and “Goldfinger.”