I used to have a music teacher who taught me to practice by associating the openings of common songs with each interval I've forgotten most of them now but the

I used to have a music teacher who taught me to practice by associating the openings of common songs with each interval I've forgotten most of them now but the Jaws theme "duh-duh-duh-duh" is a minor 2nd, Twinkle Twinkle little star is a perfect 5th, and "my bon-" of My Bonnie Lies Over the Ocean" is a major 6th