Answer: sidetwo

AnswerCrossword Clue
SIDETWOBack end of a cassette
SIDETWOMusic lovers flip for it
SIDETWO"Hello Goodbye" to "All You Need Is Love" on the Beatles' "Magical Mystery Tour" album
SIDETWOSecond half of an audiotape
SIDETWOWhere to find "Here Comes the Sun" on "Abbey Road"
SIDETWOB on an LP