Time magazine's men in white coats came up with these too:
1950s
Les Paul – “How High the Moon”
Kitty Wells – “It Wasn’t God Who Made Honky Tonk Angels”
Elvis Presley – “Jailhouse Rock”
Odetta – “Take This Hammer”
Frank Sinatra – “I’ve Got You Under My Skin”
Chuck Berry – “Johnny B. Goode”
Ray Charles – “What’d I Say”
1940s
Woody Guthrie – “This Land Is Your Land”
Lena Horne – “Stormy Weather”
The Andrews Sisters – “Boogie Woogie Bugle Boy”
Spike Jones – “Der Fuehrer’s Face”
Bing Crosby – “White Christmas”
Betty Hutton – “It Had to Be You”
Mahalia Jackson – “Move On Up a Little Higher”
Hank Williams – “Cold, Cold Heart”
Ella Fitzgerald – “Baby It’s Cold Outside”
Doris Day – “Sentimental Journey”
1930s
Ethel Merman – “I Got Rhythm”
Cab Calloway – “Minnie the Moocher”
Duke Ellington – “It Don’t Mean A Thing (If It Ain’t Got That Swing)”
Louie Armstrong – “Star Dust”
Fred Astaire – “Cheek to Cheek”
Ray Heatherton – “Where or When”
Judy Garland – “Over the Rainbow”
1920s
Al Jolson – “My Mammy”
Bessie Smith – “St. Louis Blues”
Paul Robeson – “Ol’ Man River”
The Carter Family – “Wildwood Flower”
How do the superior minds at Time justify leaving out Little Richard, Johnny Cash (Sun recordings) and Hoagy Carmichael? Bing Crosby was influential but not with White Christmas.