Step-by-Step. Suite for beginning string orchestra. SCORE & PARTS. for Violin,Viola,Cello,Double Bass,String Orchestra written by Laura C. Quijada Ortíz. The format of this sheet music is Score,Set of Parts and it’s published by Laura Quijada. Step-by-Step. Suite for beginning string orchestra. SCORE & PARTS. is part of the following sheet music categories: Repertoire,Technique Training.