In 1973 Sledva saw 27 performances during 13 concerts with 25 bands at 2 venues in 2 locations.

Date Concert Venue Location
Dec 27, 1973
Allman Brothers Band / Duke Willams & The Extremes
  Photos
The Spectrum Philadelphia, Pennsylvania, United States
Dec 11, 1973
Emerson Lake and Palmer / Stray Dog
  Photos   Setlists
The Spectrum Philadelphia, Pennsylvania, United States
Nov 02, 1973
The J. Geils Band / Foghat / Backdoor
  Photos
The Spectrum Philadelphia, Pennsylvania, United States
Sep 28, 1973
Elton John / The Sutherland Brothers
  Photos
The Spectrum Philadelphia, Pennsylvania, United States
Sep 21, 1973
Grateful Dead / Doug Sahm
  Photos   Setlists
The Spectrum Philadelphia, Pennsylvania, United States
Jun 22, 1973
Edgar Winter / Jo Jo Gunne / Frampton's Camel
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The Spectrum Philadelphia, Pennsylvania, United States
May 18, 1973
Lou Reed
  Photos
Tower Theater Upper Darby, Pennsylvania, United States
May 04, 1973
Johnny Winter / Poco / Foghat
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The Spectrum Philadelphia, Pennsylvania, United States
Apr 22, 1973
Procol Harum
  Photos
Tower Theater Upper Darby, Pennsylvania, United States
Mar 09, 1973
Alice Cooper / Flo & Eddie
  Photos   Setlists
The Spectrum Philadelphia, Pennsylvania, United States
Mar 03, 1973
J. Geils Band / Mark Almond / Seatrain
  Photos   Setlists
The Spectrum Philadelphia, Pennsylvania, United States
Feb 16, 1973 –
Feb 19, 1973
David Bowie
  Photos
Tower Theater Upper Darby, Pennsylvania, United States
Jan 27, 1973
Neil Young / Linda Ronstadt
  Photos
The Spectrum Philadelphia, Pennsylvania, United States