In 2007, Belgian experimental label Sub Rosa released Persian Electronic Music: Yesterday and Today 1966–2006, a double-disc anthology that includes works by Mashayekhi and Ata Ebtekar.

[4] In 2009, Brandon Nickell’s Isounderscore label released the vinyl double LP Ata Ebtekar & The Iranian Orchestra for New Music Performing Works of Alireza Mashayekhi "Ornamental".

Mashayekhi granted Ebtekar full creative freedom to work with the Iranian Orchestra for New Music to arrange and transform his compositions.

Mashayekhi's music circulates between a range of styles and genres, from classical compositions inspired by Persian rhythms and Iranian folk music that incorporate meditated repetition and polyphony, to atonal compositions, to works for tape and live electronics that combine traditional Iranian and Western instruments.

Mashayekhi calls his compositional practice "Meta-X,"[5] referring to the sonic multiplicities present in his work (as contradictions of tonal/atonal, improvised/pre-defined, Persian/non-Persian)[6] that unify within a single musical piece.