Her big-time-orchestra laboratory was the Colorado Symphony, which she led from 1993 to 2003.
Works for the Colorado Symphony and the Pittsburgh Symphony are on the drawing board.
Ms. Alsop is now the music director of the Colorado Symphony.
Colorado's only full-time professional orchestra, the Colorado Symphony performs symphonic performances throughout the year.
She also directs the Colorado Symphony and the Eugene Symphony in Oregon.
"This one's going to the Colorado Symphony," he said.
Ms. Alsop, who is stepping down, has been the only music director of the Colorado Symphony in its 15-year history.
In December 2008, he conducted the Colorado Symphony in Denver.
The Colorado Symphony is trying to do the same thing, but its low pay scales and questionable management efficiency attest to the messiness of democracy in complex organizations.
Ms. Larsen's fifth symphony had its world premiere on Friday, performed by the Colorado Symphony in Denver.