Wistfully mournful

• Like Berg's "Violin Concerto"
• Mournful
• Expressing poetic sorrow for something past
• Expressing sorrow
• Melancholy
• Plaintive, as a poem

Wiktionary Word definitions in Wiktionary
a. 1 Of, or relating to an elegy. 2 Expressing sorrow or mourning. n. A poem composed in the couplet style of classical elegy: a line of dactylic hexameter followed by a line of dactylic pentameter

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Elegiac \E*le"gi*ac\, n. Elegiac verse.

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
adjective EXAMPLES FROM OTHER ENTRIES ▪ elegiac verse EXAMPLES FROM CORPUS ▪ Both catch the film's elegiac mood, bathed in southern sunshine but overhung with impending death. ▪ Chahine Yavroyan's sound-design is a mosaic of distant gunfire, creaking hulks ...