octa is a demanding little creature, but will serve you well once you got your head around it. one can hear you're already on it. i find the "background" sounds of 01a very cool. they somehow make the bed for everything else. love the ending too. surely, 02a is a different thing, i like the simplicity of it. there is some digital distortion if i'm not mistaken, perhaps some strolling low frequencies? nice job!