Cheryl Frances Hoad . Composed for Double Bass 2000 and premiered by David Heyes, this exquisite and evocative miniature explores the range of the solo double bass. Cheryl Frances Hoad is a young prize winning composer and has written a number of impressive works for double bass. Invocation is lyrical, within a modern idiom, and tests the musical and technical skills of the bassist, offering new and exciting music for the adventurous soloist. The edition includes piano accompaniments for both solo and orchestral tunings.. Performance Level: Advanced.. Grade: Advanced