If you click on the print image you can enlarge it in order to read.
If you are unable to enlarge the text im ages, of in terest in the "Musicale" poainted in 1866 is the mixture of races both performers and audience. Note that the central figure in the composition is a black man. Even in the North that was unusual for the times.
The Philhamornica was paintd over a period of years and the the central figure is Gustav Mahler conducting his Symphony #1 in D Major. The painting was done over years and was in part a reworking of an earlier painting. Oppenheimer had to flee Europe during the Hitler years and returned to Vienna where he finished this large painting after the end of WWII.