I have Aria Player x64 with the full Garritan Orchestra

I also have Sonar X2 (build 306) Essential

I'm unable to get sound out of Sonar, though curiously, I used to .. years ago)
I would rather just at this point simply invest in a new computer sequencer, but am only

familiar with Sonar after all these years. Can anyone recommend an alternate computer sequencer (Windows 10 usable)
I can go ahead any obtain to get these projects going? 

Thanks!