Calling all improvising jazz trombonists: registration online is open from now until 15 December 2013.

Master-Jam Fest (MJF) is a professional competition of musicians-improvisers and a jazz festival simultaneously. It combines information and the communication capabilities of the Internet with widespread festival traditions.

MJF aims to spot the best jazz performers able to improvise spontaneously and provide wide public recognition of their talent.

Registration is free and full details can be found on the Master-Jam Fest website.