"singing class" is correct and usable in written English.
You can use it to refer to a class that is focused on teaching students how to sing. For example: "I'm thinking of taking a singing class to improve my vocal range."
Off to my "singing class".
"Our singing class is the bridge between the elder generation and the younger generation, through music, through words, through communication," Ms. Kharenko said.
In her second year at a convent boarding school in Kilcullen, the author and three other girls in singing class were accused by the Mother Superior of holding back their voices and weakening the choir.
During the Occupation he was accompanist for a singing class at the Conservatoire and was appointed chef de chant at the Opéra – preparing Hans Pfitzner's Palestrina in 1942 was one of the most miserable experiences of his life.
The Morris Center now offers a second weekly dance class, run by a former dancer who has Parkinson's, as well as a weekly music and singing class taught by Mr. Wade.
Amid the glossy playbills handed out for other productions, Truman distributes folded-over 8›-by-11 photocopies; in contrast to kids who work with private voice coaches and acting tutors, Truman students don't even have a singing class to sign up for.
She goes every second day, and also goes to singing classes and acting classes.
She regularly enrolls in acting and singing classes and pushes herself to memorize pages of scripts every day.
Mornings consist of singing classes, drama and dance, with afternoons spent in rehearsals leading up to a final performance for family and friends on Friday.
Doing a show like "Goldilocks," actors say, helps to get through the droughts, along with taking dance, acting and singing classes.
Scores on cognitive tests given before and after the four months of singing classes showed that mental ability improved among the singers.
