Doubt is the keyword. «Can anyone learn to sing» gets typed by adults who were told as children to keep quiet, and who thirty years on still only sing inside the car.
Style splits the demand completely. Pop, classical, musical theatre and choir are four audiences one page never convinces at the same time.
The occasion brings short, urgent searches. A wedding song, an audition, a casting: people with a date in mind book faster than any browser.
Vocal health is an underrated search world. Hoarseness, a voice worn out at work and «lost my voice after the gig» bring people who pay and return.
Online against in person is a question of its own. Somebody searching «singing lessons online» has no teacher nearby and books by the year.
Children and adults search with different words. Parents type «what age can they start», adults type «too late»: two pages, two demands.