Edirol Orchestral VST Free Download – Best Free Piano, Violin & StringsĮdirol Orchestral VST, probably one of the best free-to-download orchestra VSTs out there, comes with a huge library of orchestra sounds such as piano, violin, strings, not to mention the crazy trumpets, timpani, harps, marimbas, cello’s, huge selection of pizzicato’s, trombones, french horns and so much more.