Ubuntu Studio 12.04 "Precise Pangolin"

Kernel: 3.8.0-30-lowlatency

Ardour 3.4 and 2.13 Best Recording software and the heart of my studio
Hydrogen 0.9.5 My drum-machine. Easy to use but lots of possibilities.
Audacity 1.3.12 My wave-editing-tool
Qtractor 0.5.1
The Bravo Yankee return!
An Audio/MIDI multi-track sequencer
Jack Audio 0.121.3
The server witch makes it possible to connect many audio-programms
Qjactl 0.3.8 GUI for Jack
Guitarix 0.10.0 excellent software guitar amplifier
Fluidsynth 1.1.0 My synthie. You can load soundfonds as you like
Qsynth 0.3.4 GUI for fluidsynth
Jamin 0.95.0 Fantastic mastering tool.
Audacious 1.5.0-2
Tuxguitar 1.0-1