I like mainly classical music, mainly lyrical.
Medieval
Kings College Choir, various albums, medieval songs and Christmas carols.
16th century
Striggio, Ecce Beatum Lucem, a motet for 40 voices.
Perf. Huelgas Ensemble
Thomas Tallis, Spem in alium, a motet for 40 voices, inspired by the previous work. Better, IMHO
Perf. Tallis Scholars
17th and 18th century
Pachelbel, Canon in D, sometimes played at weddings, mentioned elsewhere.
Bach, sometimes known as the divine sewing machine. Brandenberg Concertos
19th century
Beethoven, most of his symphonies
Brahms, Second Piano Concerto
20th century
Vaughan Williams, Fantasia on a theme by Thomas Tallis
Contemporary
Morten Lauridsen,
O Magnum Mysterium
Nocturnes iii, Sure on this shining night
Howard Shore, Lord of the Rings, 'The Twin Towers'
The Breaking of the Fellowship
Evenstar
These work can be sampled for two minutes on iTunes, and often are available on Youtube.
I first heard ‘spem in alium’ on my car radio, and was so entranced by it I had to stop by the side of the road. I was not fit to drive.
Kings College choir is one of the best choirs in the world, and has existed since the late fifteenth century.