Greetings all. 
I've been using Cakewalk for sequencing since Pro Audio 8, and bought Sonar Artist about a year before the Gibson fiasco. 
 
All my sequences load, however, when I try to Solo a given track, EVERYTHING gets muted. The mute buttons don't light up, but I get no audio, to include from the track I'm trying to Solo. 
 
I just have no idea what I'm doing wrong. 
 
My System:
Gigabyte GA-170X Gaming 7 Motherboard - intel i7-6700 4.0 CPU- 16GB DDR4-3000 RAM - Windows 10 Home. Presonus Quantum Audio Interface, and two Presonus DP-88s.
 
Ensoniq EPS-16+, Ensoniq SD-1 32v, Korg Triton, Alesis QSR, Korg 03r/w, Roland JV-880, Alesis NanoBass all connected via MOTU MIDI Express 128, and the Quantum. 
 
Ken

big-lig
All my sequences load, however, when I try to Solo a given track, EVERYTHING gets muted.

Your use of the old-school term 'sequences', and the hardware listed in your signature, make me suspect all the audio might be coming from hardware synths; is that right?
 
If so, and if you're monitoring the hardware synth output through SONAR, you will need to solo both the MIDI track and the audio track that's echoing the output from the synth. If that's the issue, you can either group the solo buttons of related MIDI and Audio tracks or enable 'Solo Override' on the audio track echoing the synth output by Shift+clicking the Solo button so that the track doesn't get muted by other solo buttons on MIDI tracks being enabled.

Brundlefly, that DID IT! Thank you SO much. 

Glad to help... one old-skooler to another.