Put this performance beside favourites -- Elisabeth Schwarzkopf's and Jessye Norman's in my case -- and one becomes aware of the lack of finesse in Netrebko's phrasing, as well as a tonal sameness that runs through the set.
A full 46 minutes of the composer's Ein Heldenleben will hardly lure the casual punter to reach for the wallet but, in fact, the youthful vigour of this symphonic poem contrasts splendidly with the songs that precede it.
Inspired by Beethoven's Eroica, the 34-year-old composer was careful to stress that his "Hero's Life" was based "not on a single or historical figure, but rather a more general and free ideal of great and manly heroism".
Indeed, testosterone positively gushes in places, as we move through a man's life in times of love, war, peace and eventually, death. Being a live recording, there is no studio sheen on the strings, and the microphone even picks up Barenboim's spasmodic crooning.
Yet there is a palpable sense of occasion; nowhere more so than when ace woodwind players spar in the second section of the work, portraying the hero's malicious, and malevolent adversaries.
With enemies like these, who needs friends?
Richard Strauss
Anna Netrebko, Daniel Barenboim (Deutsche Grammophon)
Verdict: A lavish tribute to the ultimate Romantic does not always meet the mark.