"See You In September" and "I Got Rhythm" were on the Billboard Hot 100 charts for 14 weeks in 1966 and 13 weeks in 1967, respectively, forming musical bookends for the 1966–1967 school year, based on their Hot 100 #3 peak dates. "I Got Rhythm" and Billy Stewart's "Summertime" also formed Gershwin musical bookends for the same school year, based on the very same Hot 100 peak dates.
"See You In September" and "I Got Rhythm" were on the Billboard Hot 100 charts for 14 weeks in 1966 and 13 weeks in 1967, respectively, forming musical bookends for the 1966–1967 school year, based on their Hot 100 #3 peak dates. "I Got Rhythm" and Billy Stewart's "Summertime" also formed Gershwin musical bookends for the same school year, based on the very same Hot 100 peak dates.