Jazz Ensemble Jazz Ensemble - Level 3 - Digital Download SKU: A0.1044577 By Pat Metheny. By Pat Metheny. Arranged by Zachary B. Poulter. Jazz,Rock. Score and Parts. 37 pages. Zachary B. Poulter #649212. Published by Zachary B. Poulter (A0.1044577). Double Guatemala is a rock blues in F by Pat Metheny, recorded in a combo format on the Gary Burton & Friends album Six Pack. This grade 3.5 jazz ensemble version of the chart features the sax section and solo space for any instrument, especially guitar.