Publisher Desc.  This mariachi ensemble exercise was written with young musicians in mind and is intended to develop bow coordination and control as violin students cross the D, A and G strings. Trumpet players will develop thier embouchure as they work through a series of lip slur drills that will effectively improve their 3rd valve finger dexterity and strengthen their articulation through alternating slurred, legato and staccato passages. This exercise will help armonia students even out their up-strums as they work their way through quarter and 8th note rhythms with Primera Segunda, Preparacion and Tercera de RE. This exercise emphasizes correct Jalon for the guitarron