collaborations:

> Echoes Of The Whales - Pierpaolo Leo + Populous - 2006
> "Drop city" for the album "in queue for love" by Populous (Morr Music) - 2005
> Finisterrae's Cronotopo: Pleo + Urkuma - www.quantize-records.com - 2004
> Enfance Rouge - Rostock-Namur - (Audioglobe) - 2002

compilations:

> A Mind Expansion Compilation 2 - Mind Expansion Records - 2008
tracks:
Echoes of the whales - Earth Song
Populous - Flu - Pleo remix

> Francesco Brunotti/Various Artists - Nocturne - Persistencebit Records - 2008
tracks:
Pierpaolo Leo - Toddling Along

> The Echoes of Thiiings/Fadiiing Echoes - www.aferecords.com - 2005

mp3's

- Sasser interview - www.arsonore.net - 2004
- Cicli al secondo - www.arsonore.net - 2004
- The Psichedelic Attractive Knots - www.ixem.it - 2003
- Stretch_Plunkd - www.ctrlaltcanc.tk - 2003
- Plunked - "Quantize Vs. the Human Feel" - www.quantize-records.com - 2003