The National Disco Action Top 40 was a chart published weekly by Billboard magazine in the United States, which ranked the popularity of disco singles in nightclubs across the country, based on a national survey of club disc jockeys.
Chart history Issue dateSongArtistJanuary 7Once Upon a Time... (all cuts)Donna SummerJanuary 14January 21"Supernature"/"Give Me Love"/"Love Is Here"CerroneJanuary 28February 4February 11February 18"Let's All Chant"/"Love Express"Michael Zager BandFebruary 25"Dance Little Dreamer"/"Risky Changes"Bionic BoogieMarch 4March 11March 18"Romeo and Juliet"Alec R. Costandinos & the Syncophonic OrchestraMarch 25Come into My Heart (all cuts)USA European ConnectionApril 1April 8Voyage (all cuts)VoyageApril 15April 22April 29"If My Friends Could See Me Now"/"Gypsy Lady"/"Runaway Love"Linda CliffordMay 6May 13May 20May 27June 3"Last Dance"/"After Dark"/"Thank God It's Friday"/"Take It to the Zoo"Donna Summer/Pattie Brooks/Love & Kisses/SunshineJune 10June 17June 24July 1July 8July 15"Boogie Oogie Oogie"A Taste of HoneyJuly 22July 29August 5"Hot Shot"Karen YoungAugust 12August 19"Dance (Disco Heat)"/"You Make Me Feel (Mighty Real)"SylvesterAugust 26September 2September 9September 16September 23September 30"Keep on Jumpin'"/"In the Bush"MusiqueOctober 7October 14Instant Replay (all cuts)Dan HartmanOctober 21"MacArthur Park Suite"Donna SummerOctober 28November 4November 11November 18November 25"Le Freak"/"I Want Your Love"/"Chic Cheer"ChicDecember 2December 9December 16December 23December 30
See also 1978 in music List of Billboard Hot 100 number ones of 1978
References
Some weeks may also be found at Billboard magazine courtesy of Google Books: 1975—1979.