Tenth Hour: Glanz Klang (Stockhausen)

the muziekgebouw aan t ij, glanz premiered

glanz (brilliance), oboe, clarinet, bassoon, trumpet, trombone, tuba, , viola. 2007 (ca. 40 mins.). work number 90. specified colour hks 69 (sulphur green) (stockhausen 2008b, cover; stockhausen 2011, , iii).

glanz first of klang trios commissioned, , first composed after schönheit, completed on 24 may 2007 (kohl 2012b, 504). given premiere in muziekgebouw aan t ij, amsterdam, on 19 june 2008 members of asko ensemble, kathinka pasveer sound-projectionist (beer 2008; voermans 2008).

originally intended trio clarinet, bassoon, , viola, stockhausen persuaded holland festival management add 4 more instruments ensemble (beer 2008; swed 2008). original trio remains main structure, 4 inserts interrupt magic moments , in other instruments engage in dialogue trio: first imperious solo oboe, second stentorian trumpet-trombone duo, , last somnolent tuba. third insert, on other hand, self-reflective, performed core trio , including, seventh hour, spoken latin words gloria in excelsis deo et in terra pax in hominibus bonae voluntatis (kohl 2008, 16).

in score, stockhausen specified work should performed light sculpture in middle of stage, , sculpture should gradually become more brilliant. world premiere in amsterdam, pyramidal sculpture designed lighting technician maarten warmerdam, made increase in brightness on course of performance stockhausen 2011, , iii). 1 critic has described cheesy 4-foot pyramid (swed 2008).