The Minden Duo uses glass bottles for many of their compositions, all sizes and shapes of bottles can be used each producing a unique timbre. Carla plays most of the bass jugs because of her training as a horn player:
“I find the best one gallon cider jugs in Canada are supplied by “Triple Jim’s”. The cider is a bit on the sweet side, but the bottle itself has the best taper in the neck, and the opening at the top is not too wide. This makes for a better, more focused tone. I find some cider jugs have an excessively wide mouth and neck making them very difficult to create a clean sound and requiring huge amounts of air, only to produce an overly diffused tone. Exceptional lung power is already a basic requirement to play even the most optimum one gallon jug if you want to have even the slightest amount of sustain. And I don’t mean that one needs to emulate the sustain of a piano. We want a bottle to sound like a bottle. But do take care not to make life overly difficult by playing an inferior jug.”
The foundation of the music rests on “Triple Jim’s” 1 gallon jugs, the lowest notes in the choir. The cider is a bit on the sweet side, but the bottle itself boasts the best taper at the neck, and the opening at the top is not too wide, allowing a more focused tone. The old fashioned vinegar jugs are considerably smaller, but they still have a fat body, which helps to bridge the gap in tone quality between the low breathy “Triple Jim’s” and the sonorous beer bottles. Singing the main melody are the pretty blue Welsh water bottles, while the miniature sherry and maple syrup bottles join in with a sweet countermelody. We can’t forget our one tall wine bottle essential in extending down the range of the beer bottles while matching their tone colour. The bottles are tuned on zero, untempered. After all, we don’t want the bottles to sound like a piano. This unconventional tuning creates its’ own allure. And the sound of in-breaths floating sporadically throughout the choir adds energy to the mix.