UPDATED NOVEMBER 13th 2022 for new format OSC message parsing introduced in Sonic Pi Feb 2020 Use the file Sequencer2.0-RF.rb for Sonic Pi >= 3.2. which uses the new format
The index.xml file will still work, but once you hav it loaded you may like to amend the top label to Sonic Pi Sequencer 2 by Robin Newman, but this is purely cosmetic and not essential
For convenience I have added 4 specimen json files seq1.json to seq4.json which you can use. You can generate your own otherwise using the write commands in the interface. The location of these files is specified in the program. Adjust to suit your own requirements.
orginal ReadMe text follows