Al final pude armar un setup decente en Ubuntu 9.10 y me puse a chiviar con lo que tenía armado.
Grabé una maqueta de sonido y lo subí a soundcloud a ver que tal...... bueno acá está:

diego_20100331_first by diegosimak

Track for testing purpose about soundcloud upload and streaming capabilities.
This track also summarizes some audio resources configured in Ubuntu 9.10.

Track performed using:

- Ubuntu 9.10 with RT Kernel with Preemption Patch Kernel 2.6.31-9-rt #152-Ubuntu
- Seq24 0.9.0 as a sequencer
- Hydrogen 0.9.3 as drumkit
- Yoshimi 0.551 for bass sounds
- calfjackhost using CALF Vintage Delays
- Orangevocoder Prosoniq through dssi vsthost
- jackd 0.116.1 & Qjacktl 0.3.4
- timemachine recording everything