...a jewel of twelve songs... where the prevailing atmosphere is compositional maturity and intimacy with overflowing cuts of shades... (8/10, Dioses del Metal webzine)
With a wonderfully rich, warm production, the Italians create a handful of simple perfect prog rock songs, with a clear focus on melody and atmosphere. (8/10, Metal1.info webzine)
'Opus' is an exceptional album, possibly the best one from Adramelch, in which the different souls of the band are merged into a highly professional recording... (9/10, ItalianMetal.it webzine)
The album turned into a milestone, a highlight from start to finish...
Understated and beautiful material is the main core of Adramelch, and they bring their business with so much passion that this album will leave you higgledy-piggledy!" (91/100, Metal to Infinity.be)