The Acting Singers Project has allowed four groups to use their 501(c)3
status while those groups worked to achieve their tax exemption:   

1.  Mass Theatrica has achieved 501(c)3 status. 
2.  Boston Metro Opera, no longer exists.   
3.  The Halcyon Music Festival has also achieved 501(c)3 status.  
4.  Roslindale Farmer's Market, is in process of receiving it's status.