Later shows were a bit more costly than the "frugal or free" events that DeHaan Services usually mentions. They're actually quite reasonable, as musical events go; it's just that I'm carving out a niche for low budget Toronto events.
One Vocal Writing Tip
The DeHaan Services niche for Toronto events aims at low-cost and under-advertised annual festivals. (It also promotes my writing at other sites, such as Decoded Science).
Harbourfront Centre in Toronto hosts quite a few free or inexpensive activities. I'm happy to publicize those.
Once any venue's ticket prices are over $10/person or so, I'd be more inclined to leave promotional duties to that organization.
The SING! Vocal Arts Festival is a nice idea, but the ticket prices are above what I'd promote in DeHaan Services. As noted above, it's the free opening ceremony that allows me to include this festival in my blog.
You need to know yourself, your blog with its purpose, and your audience in order to follow this writing tip.
Once you've determined those factors, you just have to remember to apply your own rules to the topics you find. I had a few tricky minutes to decide whether to remain silent or to speak on the subject of this Vocal Arts Festival at Harbour