Number one US songs in May, 1979

What songs were number one in May, 1979? There were 2 USA #1 songs in May, 1979.

These number one songs in May, 1979 began with Heart of Glass by Blondie which went to #1 on 28th April, 1979 and remained at the top spot for just one week.

The last number one song of 1979 was Reunited by Peaches and Herb which went to #1 on 5th May, 1979 and remained at the top spot for 4 weeks.