Molly Tuttle is one of the hottest talents in the world of acoustic guitar. Emerging from the US bluegrass scene she's now broadening her music to Americana influenced songcraft – and she has a brand new custom-built Martin model to go with her new direction. Here, she talks us round the features and demos the sounds of her 'Crooked Tree' custom Martin dreadnought and explains how her exacting needs shaped its creation and the tones it can create.