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1964 single by The Impressions
"I'm So Proud" is a song written by American singer-songwriter Curtis Mayfield and recorded by the Impressions in 1963 for the album The Never Ending Impressions. Released as a single in 1964, "I'm So Proud" peaked at number 14 on the Billboard Hot 100 Singles chart and number 16 on the Cash Box Top 100 Singles chart. Wikipedia