Following is the program for the Pop Concert in Symphony Hall this evening: 1.  March, "Boston--1975,"  Strube 2.  Overture, "Stradella,  Flotow 3.  Wailtz, "Estudiantina,"  Waldteufel 4.  Selection,"The Arcadians,"  Monckton 5.  Selection, "Pagliacci,"  Leoncavallo 6.  Reve Angelique,  Rubinstein   (Organ, Mr. Marshall) 7.  Ballet Music from "Coppelia,"  Delibes 8.  Overture, "1812,"  Tschaikowsky 9.  Overture, "Light Cavalry,"  Suppe 10.  Selection, "Madame Sherry,"  Hoshna 11.  Waltz, "Jolly Fellows,"  Vollstedt 12.  March, "Stars and Stripes,"  Sousa