A 15-member ensemble of Boston area improvisers plus guests Jeb Bishop, Tony Malaby and Taylor Ho Bynum, taking their name from the deep-sea submersibles used for exploring, as this band survey's large form improvisation that blends free and melodic jazz in adventurous ways.

The second take of Boston area drummer Luther Grays' project Lawnmower with Jim Hobbs on sax, Kaethe Hostetter on violin and Winston Braman on electric bass, excellent jazz with unique instrumentation and a diversity of approaches.

The Boston based trio of pianist Pandelis Karayorgis, bassist Jef Charland and drummer Luther Gray documented their work on their own compositions in 2012, after a year's worth of monthly concerts.

All improvised quartet music by four acclaimed leaders in free jazz and improvised music, led by Joe Morris on bass, with Luther Gray on drums, Jimm Hobbs on alto and Petr Cancura on tenor sax.

Pianist Pandelis Karayorgis in a new band with Luther Gray, Jef Charland, Jeff Galindo and Matt Langley, distinctive jazz focusing on tradition through contemporary perspectives.

Pianist Steve Lantner's Quartet with Joe Morris, Luther Gray and Allan Chanse performing live at the 21st International Jazzfestival Munster in Germany.