Artist: Tower Of Power Wikipedia 8FilterSort Title Label Prefix No. Audio Size Format Year Close Title Label Prefix Cat #. Audio MonoStereoR-Stereo Size 7"10"12" Format LPEP4578 Year Close East Grease Bay San Francisco SD 204 S 12" LP 1970 Sparkling In The Sand / Back On The Streets Again Atlantic SF 64 M 7" 45 1972 Clean Slate / So Very Hard To Go Warner Bros WB 7687 S 7" 45 1973 This Time It's Real / Soul Vaccination Warner Bros WB 7733 S 7" 45 1973