Performers can join ensembles such as the University Symphony, Baroque Ensemble, and other chamber groups, where one can have the opportunity to perform in Morrison and Hertz Hall.
And while some are happy to get to the point of playing "Happy Birthday" for their grandchildren, others achieve a level of competence that allows them to join ensembles and even earn money playing.
La Santa Cecilia, named for the patron saint of musicians, will also join ensembles Roomful of Teeth and Summer Horns in performances kicking off the Grammy Awards show which Cyndi Lauper will host.
The lively harpsichordist Kristian Bezuidenhout joined Ensemble Signal, the dynamic New York-based contemporary-music group, under its conductor Brad Lubman.
In 2002 he joined Ensemble Pamplemousse where he collaborated for many years working in electro-acoustic music and the merging of sound, installation, and performance arts.
Among those performing Reich and Reich-inspired pieces were Portishead's Adrian Utley, Will Gregory of Goldfrapp, Aphex Twin ("A very bright, interesting guy"), and Radiohead's Jonny Greenwood, who joined Ensemble Modern to play Reich's Electric Counterpoint.
On Sunday the cellist Fred Sherry, the pianist Ursula Oppens and the clarinetist Charles Neidich are among the modernist luminaries joining Ensemble LPR, the club's new house band, in a tribute to Elliott Carter, who died in November just shy of his 104th birthday.
Mr. Sorey soon joined ensembles led by the pianist Vijay Iyer and the saxophonist Steve Coleman, and began an informal apprenticeship with the musician Butch Morris.
Mr. Simon will bring his own sidemen, and Aaron Neville will join the ensemble on some songs.
Kent Tritle will join the ensemble for Saint-Saëns's Symphony No. 3 "Organ".
