Today there are a couple of events happening with music all day.
First there is live music throughout the day at Ribfest in Barrhaven. They haven't listed performers (that I can find) but there will be music all day there.
The second event is the Kemptville Busker Festival.
You can find saxophone music at the Rotary Park by Rob Barclay.
Knotted Chords - 10 am, 12 pm, 2 pm
Donnie Higgins - 10 am, 12 pm, 4 pm
Heather Bennett - 3 pm, 4 pm
Jillian Brady - 11 am, 1 pm, 3 pm
Playing during the closing ceremony will be Rowan Meyer with a bagpipes performance.