On this Arroyo Willow (Salix lasiolepis) unsplit branch flute, measuring 23 3/2" in length, with four tuning holes, much of the bark has been left on, though sanded smooth to reveal it's beautiful reddish hue and well sealed to prevent detachment from the wood.  Tuned to a clear, sweet, E minor pentatonic scale, modes 1 & 4, it plays three upper octave notes as well as the gypsy scale.  Knot holes and fissures have been inlaid with malachite.  Elk lacing with malachite and amber beads holds the bird to the nest, the bird fitted with a redwood shoe to aid against wetout.  The branch for this flute was gathered sustainably, with love, respect and gratitude, along San Marcos Creek, in San Diego County, CA amongst a wild grove of native Arroyo Willow trees.   California Indians found many uses for the wonderful willow tree, including bows, baskets, shelters, clothing, fish traps and medicines derived from salicin in the willow's inner bark, the original aspirin.