Songs that I know have square dance versions that were number 1 on May 30:

• 1949-Riders in the Sky (aka Ghost Riders in the Sky) by Vaughn Monroe
• 1949-Lovesick Blues by Hank Williams
• 1958-All I Have To Do Is Dream by the Everly Brothers
• 1985-Axel F by Harold Faltermeyer

Relevant Records

• Ghost Riders in the Sky (4-Bar-B 6013)
• Love Sick Blues (Fine Tune 110)
• Dream, Dream, Dream (Rawhide 176)
• Axel F Hoedown (Shakedown 206B)