Some pieces that come to mind today,
--Penderecki: Threnody for the Victims of Hiroshima:
-National Polish Radio Symphony Orchestra.Antoni Wit, Conductor.
www.youtube.com
--Britten, Serenade for tenor, horn & strings, V. "Dirge - This Ae Night" movement, as sung by Peter Pears:
--Persichetti: Symphony No.9 "Janiculum":
--Shostakovich String Quartet No. 8:
--Shostakovich Symphony No 8 (I find the opening to the Symphony no. 5 ominous & haunting too, etc.):
--Shostakovich, Piano Trio No. 2 in E minor, Op. 67:
--Shostakovich, Sonata for Violin and Piano, op. 134:
Dmitri Shostakovich - Violin Sonata [With score]
--Shostakovich, Sonata for Viola and Piano, Op. 147:
Dmitri Shostakovich - Viola Sonata [With score]
--Sibelius Symphony No. 4 in A Minor:
Symphony No. 4 in A Minor, Op. 63: I. Tempo molto moderato, quasi adagio
--Scriabin: Piano Sonata No. 9, Op. 68 "Black Mass":
VLADIMIR SOFRONITSKYLive, 1960
www.youtube.com
--Prokofiev, Piano Sonata No. 6:
Piano Sonata No. 6 in A Major, Op. 82: I. Allegro Moderato
--Orff: Carmina Burana - 1. "O Fortuna":
Orff: Carmina Burana / Fortuna Imperatrix Mundi - 1. "O Fortuna"
--Suk: Asrael Symphony:
Josef Suk Asrael Symphony - Rafael Kubelík
--Koechlin, Symphony No. 2, Op.196--this is a ridiculously neglected work. Since the following live BBC recording made by Constantin Silvestri & the LSO, the Symphony No. 2 has never been recorded (unless you count his String Quartet No. 2, upon which Koechlin based the symphony):
Charles Koechlin: Symphony No. 2
--Koechlin, Viola Sonata, Op. 53--I see this piece as another neglected 20th century masterwork:
Charles Koechlin - Viola Sonata, Op. 53
--Pettersson, Symphony No 9:
Allan Pettersson, Symphony No 9, Sergiu Comissiona
--Pettersson Symphony No.10:
Symphony No.10 - Allan Pettersson
--Pettersson: Violin Concerto No. 2:
Allan Pettersson * Concerto n. 2 per violino ed orchestra