Spector himself is quoted as believing his production of Ike and Tina Turner's "River Deep, Mountain High" to be the summit of his Wall of Sound productions, and this sentiment has been echoed by George Harrison, who called it "a perfect record from start to finish".
Spector har själv anmärkt att hans produktion av Ike och Tina Turner's "River Deep, Mountain High" var den bästa av hans Wall of Sound-produktioner, och detta anser även George Harrison, som kallade det "en perfekt skiva, från början till slut".