More analysis through excel reveal this

Bands/Artists with 5 or more songs
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Beatles 51
Led Zeppelin 38
Rolling Stones 36
Who 24
Eagles 21
John, Elton 21
Doors 20
CCR 19
Fleetwood Mac 19
Pink Floyd 19
Petty, Tom 18
Hendrix, Jimi 17
ZZ Top 15
Clapton, Eric 14
Seger, Bob 14
Steely Dan 13
Aerosmith 12
Bad Company 12
Jethro Tull 12
Springsteen, Bruce 12
Van Halen 12
Heart 11
Vaughan, Stevie Ray 11
AC/DC 10
Miller, Steve 10
Police 10
Queen 10
Supertramp 10
U2 10
Allman Brothers 9
Boston 9
Bowie, David 9
Cars 9
Moody Blues 9
Rush 9
Santana 9
Young, Neil 9
CS&N 8
Doobie Brothers 8
Foreigner 8
McCartney, Paul 8
Mellencamp, John 8
Cream 7
Genesis 7
Grateful Dead 7
Henley, Don 7
Journey 7
Kinks 7
Styx 7
Animals 6
Deep Purple 6
Dire Straits 6
ELO 6
Grand Funk Railroad 6
Morrison, Van 6
Thorogood, George 6
Yes 6
Blue Oyster Cult 5
BTO 5
CSN&Y 5
Guess Who 5
Stewart, Rod 5