Release 3 of Sequitur is now available at IFDB and nigeljayne.ca/njgames.html
The source is also available. Sequitur was originally released for the 2014 ShuffleComp.
This release includes, in addition to bug fixes, an original song as a bonus track and several new actions:
remembering the links that were made
placing a track to the right or left of another track
placing a group of tracks in a slot or left or right of another track (e.g., put five to ten right of D")
Neil