Since you are interested in The Great Placido Domingo [3 CD set], here is a list of other items that you may find interesting.
PUCCINI / BIZET / DVORAK / OFFENBACH / DONIZETTI / VERDI / etc
40 Most Beautiful Arias
Maria Callas, Placido Domingo, Cecilia Bartoli, Kiri te Kanawa, Jose Carreras, José Cura, Angela Gheorghiu, etc
[ Warner Classics / 2 CD - released 10/Feb/2009 ]
Nothing stirs the soul and tugs at the heartstrings more than an inspired operatic aria. Warner Classics CD set 40 MOST BEAUTIFUL ARIAS collects forty of the most moving ones the world has known on this star-studded collection.
Sally Maer, Li-Wei Qin, Catherine Jones, Umberto Clerici (cellos) / Various orchestras
[ ABC Classics / 2 CD - released 1/Aug/2018 ]
For over 20 years, the 'Swoon' segment on ABC Classic FM's Breakfast show has been a beloved oasis of calm and beauty, a chance to shut out the noise and busyness of everyday life, and drink in the loveliness of pure music. The first CD compilation...
Puccini: Tosca (complete opera recorded in 2009)
Zurich Opera / Jonas Kaufmann, Thomas Hampson, Emily Magee / Paolo Carignani (cond)
[ Decca DVD / DVD - released 10/Jun/2011 ]
"Jonas Kaufmann is so eloquent that the deficiencies flying around him on stage vanish as soon as he opens his mouth...A modest word of praise, too, for Giuseppe Scorsin as the Sacristan" (Times)
BOCCERHINI / DVORAK / TCHAIKOVSKY / VIVALDI / etc
Slava! The Art of Rostropovich (3CD)
Mstislav Rostropovich (cello) with various orchestras & conductors
[ Deutsche Grammophon / 3 CD Box Set - released 20/Mar/2017 ]
"the intensity of lyrical feeling and the spontaneity of the partnership between Karajan and Rostropovich ensures the position of their disc at the top of recommendations for this peer among nineteenth century cello concertos." Penguin Guide
Paradisum - Serene Sacred Songs
Andrea Bocelli, Jose Carreras, Renee Fleming, Juan Diego Florez, Elina Garanca, Angela Gheorghiu, Anna Netrebko, etc
[ Decca / 2 CD - released 18/Mar/2016 ]
This 2CD collection brings together the calmest and most thoughtful sacred songs ever written, performed by the world's greatest singers including Andrea Bocelli, Luciano Pavarotti, Jonas Kaufmann, Anna Netrebko, Renée Fleming, José Carreras and Bryn...
Luciano Pavarotti, Placido Domingo, Jose Carreras, Jonas Kaufmann, Juan Diego Florez, Joseph Calleja, etc
Ten Top Tenors (2CD)
[ Decca / 2 CD - released 13/Nov/2015 ]
This 2CD album brings together ten of the most famous tenors, performing nearly 50 of the greatest arias of all time. It also features a 16-page booklet with everything you need to know about each tenor - nationality, short biography, best recording,...