Fennell went back and recorded some or all of this in stereo, and the CD is still in print: http://www.amazon.com/Fennell-Conducts-Sousa-John-Philip/dp/B0000057LB/tomslinx I will guarantee you it will sound much better than an early 1950's LP.
Thanks to all who have helped with my questions on Scotch audio tape.
Does anybody have EQ data for pre-stereo Mercury Living Presence LPs? The LP in question is MG40007, Fred Fennell conducting the Eastman Wind Ensemble, Marches by Sousa and Others.
Thanks for your help!
Sammy Jones