George Crumb - "Black Angels" ("Thirteen Images from the Dark Land"), 1971, for electric string quartet.
Part III - Return
Wikipedia: The first part, Departure, begins by establishing the dark mood of Black Angels and introducing the primary death theme. In the second part, Absence, the fallen angel's themes are heard. Finally in part three, Return, God prevails over evil, as presented in section 10 God-music.
http://en.wikipedia.org/wiki/Black_An...
Chamber orchesrtra "Sinfonietta Rīga" String quartet concert in Rīga, Latvia, Small Guild hall, November 2007,
during New music festival "Arēna".
Aleksejs Bahirs - 1st Violin
Agnese Kanniņa-Liepiņa - 2nd Violin
Liene Kļava - Viola
Kārlis Klotiņš - Cello
Normunds Šnē - live sound engineering
Camera - Kārlis Kumsārs