Rosegarden 2.1: The whole thing

Rosegarden Top Box, Sequencer (with piano-roll and event
list windows) and Editor, displaying the included demo file
(Glazunov's Chant du Menestrel for 'cello and piano).
1230x932 GIF, 42K
Rosegarden 2.1: The Sequencer

Rosegarden Sequencer, with a piano-roll, an event-list,
and an event filter dialog box.
1064x766 GIF, 30K
Rosegarden 2.1: The Notation Editor

Rosegarden Notation Editor, showing Chant du
Menestrel, with a chord editing window including an estimated
chord name.
1024x666 GIF, 31K