On This Date In Music

1968 - Marvin Gaye scored his first US No. 1 single when 'I Heard It Through The Grapevine' started a seven-week run at the top of the charts.

 1968 - Iron Butterfly's "In-A-Gadda-Da-Vida" is certified Gold.

1972 - Seals and Crofts' "Summer Breeze" is certified Gold.