The idea behind the name of the group is that good music (and a well-lived life) involves holding certain extremes in tension. On a musical instrument, the string is stretched between two fixed points. If the string is too lose, there's no music. If the string is too tight, it breaks, and there's no music. If the string is held in proper tension, THEN you have music. My goal for the group (I'm the dad of the kids, by the way, and I play guitar with them) was that they be able to play Bach and bluegrass back to back and showcase great music in many genres.
Because of this mix, we want to hold several things in tension on the logo. We all like a vintage look but also want it to appeal to modern sensibilities (i.e., complex enough to bring in echos of baroque styling, etc., but not more complex than absolutely necessary to convey such. The group is made up of 4 boys and 2 girls so masculine/feminine elements should be included but held in tension. In sum, several things to hold in tension: old/new, mature/young, classical/modern, male/female, refined/folksy. I know that's a tall order, which is why I've chosen the higher level award and guaranteed it. (I have a design background myself but am too close to this project to be objective and don't have enough time to do it myself!)
One thought was to echo a round guitar hole with its ornamentation (I uploaded some examples) as the circular element and maybe give an impression of the six strings on a guitar in the background (like in the rough sketch I included with the group name in it). Other symbols that would be nice to include or consider are the F Holes on a violin, the violin scroll (spiral shape at the top of a violin), mandolin and violin shapes, etc.
In terms of fonts for the group name, I really like the style of fonts like "Desire", which I've uploaded an example of. The baroque flair and ornamentation of that font and others like it capture the look we're going for very well.
Finally, I'd like the design to be versatile in terms of both single color and multicolor reproduction capability. We'll be using this online as well as on T-shirts, etc., so a full color version is desired, but enough simplicity for good single-color reproducibility is a plus.