I have quite a few ECM recordings and some fine ones have already been listed so I'll add these:
Egberto Gismonti - Danças Das Cabeças
Rolf Lislevand - Nuove Musiche
Rolf Lislevand - Diminuito
Kim Kashkashian - Neharot
Anouar Brahem - The Astounding Eyes Of Rita
Gianluigi Trovesi - Vaghissimo Ritratto
Jon Hassell - Last Night The Moon Came Dropping Its Clothes In The Street
Egberto Gismonti - Danças Das Cabeças
Rolf Lislevand - Nuove Musiche
Rolf Lislevand - Diminuito
Kim Kashkashian - Neharot
Anouar Brahem - The Astounding Eyes Of Rita
Gianluigi Trovesi - Vaghissimo Ritratto
Jon Hassell - Last Night The Moon Came Dropping Its Clothes In The Street