Here are a couple of things you need to know about these playlists for the western-swing radio program Swing on This, airing at 7 p.m. on public-radio station KWGS (89.5 FM) in Tulsa and streaming at www.kwgs.com

First of all, it’s as exact as I can make it, given the circumstances. I start with the premise that I’ll be able to play 15 songs in the hour-long show. Sometimes I find myself with enough time to play another tune, or even two. Other times, I don’t. Very occasionally, a CD will hang up or a record skip, and I’ll have to quickly substitute something else.

Second, I’ve been known to take a kind of Zen approach from time to time, grabbing something in a fit of inspiration and sticking it in the middle of a show. I prize spontaneity as much as the next gazabo, especially when today’s commercial radio seems completely leached of it, but I promise to try and rein myself in, so that the following playlists can be as accurate as possible.

Thanks very much for listening. I welcome your comments and requests. The dedications listed below are to folks who’ve written about the show. I’m grateful to them, and to you.