Mr. Gold founded his company in 2007, prompted partly by the goal of giving performers the opportunity to dance in works created for them.
Correspondingly, classical performers are able to supply whatever the composers need for a given piece; popular performers seriously restrict what composers can ask for.
He sits in on a lecture called "Babeland's Lip Tricks," given by a burlesque performer named Darlinda, who leads the students in chanting unprintable words, and then demonstrates with great care and enthusiasm her whole foreplay array of lip, tongue and hand techniques.
Both the choreography and the songs, composed by Paul Katz and Howard Marren with lyrics by Mr. Katz, give the performers enough material to make something vivid of the characters.
This article addresses the problem of identifying the most likely music performer, given a set of performances of the same piece by a number of skilled candidate pianists.
Most important, Apple intends to expand its song offerings weekly, in part by giving reluctant performers personal demos by Mr. Jobs, who is something of a rock star himself.
Indoors, where the spotlight will be on guitarists and female singers, some 150 shows will be given by performers like Bill Frisell and John Pizzarelli and vocalists like Miriam Makeba, Omara Portuondo and Jane Monheit.
It's hosted by Mitch Benn and the Distractions, who give any performer a full backing band, if they want it.
"We were approached by a male performer who told us he had tested positive," Weinstein said, but he would not give any further details.
Ms. Faridany is not the only performer given a brief to blur the sexes.
