The band's latest release, Happy the Man, maintains distinguishable acoustic elements while further incorporating electronic programming.

NPR: Guggenheim Grotto On Mountain Stage

The app does not record the speaker's words, said Dobson, but rather monitors the acoustic elements of their speech -- such as volume, intensity, pace and pitch -- to take an emotional reading.

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S. Bach for inspiration but unique vocal stylings that resemble rhythmic and melodic chanting accompany the intricate acoustic guitar interludes, electronic elements, and light percussion.

NPR: Twi The Humble Feather: 'Higher Than The End'

Band members Kevin May (piano, lead vocals) and Mick Lynch (acoustic guitar, ukulele, stomp-board and vocals) strip away the electronic elements in this Mountain Stage performance, spotlighting their crisp, brotherly-like harmony and memorable melodies.

NPR: Guggenheim Grotto On Mountain Stage