Instrumental by Emulated
Instrumental, Essential, Crucial, Fundamental, Pivotal, Key, Vital, Core, Significant, Indispensable, Integral, Central, Primary, Necessary, Substantial, Influential, Effective, Operative, Enabling, Practical, Functional, Mechanistic, Contributory, Facilitative, Auxiliary, Adjunctive, Collaborative, Implemental, Constructive, Causative, Agency, Means, Medium, Method, Mechanism, Tool, Device, Apparatus, Machine, Orchestral, Acoustic, Nonvocal, Melodic, Harmonic, Rhythmic, Compositional, Tonal, Textural, Symphonic, Arranged, Scored, Unvoiced, Background, Incidental, Atmospheric, Accompanimental, Improvisational, Performative, Orchestrational, Lyrical, Experimental.
