#9. Open Battle #09 Summer Shake-up Sample/Reference a summer-themed song in a recognizable way
The track with the most votes was from @waftlord:
#10. Open Battle #10: Steamy Shellac Use the supplied train samples in your track
The tracks with the most votes were from @Microtribe and @1-2:
@Microtribe 
@1-2
#11. Open Battle #11: Panda Headphonia All sounds must be HARD panned LEFT or RIGHT, ONLY. You must also include a “pan” instrument.
The track with the most votes was from @malus_mons:
#12. Open Battle #12 - Eff ‘em! No Static At All You can only use FM radio recordings or FM synthesis
The track with the most votes was from @Microtribe:
#13. Open Challenge 13: The Swamp Effect Make a swampy track (using only one effect)
The track with the most votes was from @ViolentMeals:
#14. Open Challenge #14: Title Redacted Drum Battle
The tracks with the most votes were from @sleepside & @bodymechanics :
#15. Open Challenge 15: ARPs & LFOs one trig per sequence, with other notes tiggered by LFOs and ARPs; one-take and 3 minutes max.
The track with the most votes was from @Tchu:
#16. Open Challenge #16 - Pure Sounds and No FX No multitracking, effects, overdubs, post-processing, wavetables, samples or drones.
The track with the most votes was from @sid6581:
An honorable mention goes to @CountedSorrow’s Track Challenge: Sounds of Mars
No voting on this one, but some great tracks nonetheless.
Compiling the above list has been a great fun on a rainy Sunday morning here in Sheffield. So many great tracks; so many great objectives - thanks to everyone keeping this going and engaging.