The days of the weeks feature in many song titles too. Limiting them from the 50s to 70s compositions, there are already a few hundred songs.
Beginning from *The World Hits 'Beautiful Sunday' Album (1972 - image) by the October Cherries, a Singapore group, there are titles like, Blue Monday by Bob Seger, Sunday, Monday Or Always by Frank Sinatra.
Ruby Tuesday is by The Rolling Stones, Melanie, Twiggy, Bobby Goldsboro. Wednesday Evening Blues by John Lee Hooker, Thursday by Jim Croce, Black Friday by Steely Dan, Another Saturday Night by Cat Stevens, Sam Cooke, The Bay City Rollers, The Eagles and Earth Wind and Fire.
Sunday Best is by Bobbie Gentry, Sunday Morning Coming Down by Kris Kristofferson, Johnny Cash, That Sunday, That Summer by Nat King Cole, A Monday Date by Louis Armstrong, Rainy Days and Mondays by The Carpenters. The list goes on...
*Beautiful Sunday, available by October Cherries on World Hits 1973 Single ES6-A, A Baal Production on Elastic Record. Composer/original recording is by Daniel Boone.