Lament is now for sale on Gamersgate.
If you want to see more from the game, here's a gameplay video:
Lament is now for sale at Gamersgate, see homepage. Lament is a puzzle platformer based around perception of patterns in melodies. The player guides the faceless girl Emma through a dead world of music. Jumping on different enemies produce different tones, which have to be combined into the right melodies in order to proceed.