On This Date In Music

1972 - California Governor Ronald Reagan grants a pardon to Merle Haggard, absolving him of his 1957 burglary that sent him to prison for three years.

1973 - ABBA released 'Ring Ring' the title track of their debut album. It gave the group their first appearance on the UK singles chart where it peaked at No. 32 and became their first Swedish No. 1 and first Australian top 10 hit.