ER-OS
by Kalevi Aho
for clarinet and violin
Description
Composed as a wedding gift for conductor-clarinetist Osmo
Vänskä and violinist Erin Keefe and named with the initials of
their names. The virtuosic work is divided in three parts, the overall
duration c. 11 minutes.
Instrumentation cl, vln
Instrument codes
| Abbreviation | Instrument | Woodwind | | | acl | alto clarinet |
| afl | alto flute |
| arec | alto recorder |
| asax | alto saxophone |
| barsax | baritone saxophone |
| barhn | baritone horn |
| bcl | bass clarinet |
| bfl | bass flute |
| bob | bass oboe |
| bsax | bass saxophone |
| bsn | bassoon |
| cbsn | contrabassoon |
| cl | clarinet |
| ehn | English horn |
| fl | flute |
| hn | French horn |
| ob | oboe |
| pic | piccolo |
| rec | recorder |
| sax | saxophone |
| srec | soprano recorder |
| ssax | soprano saxophone |
| trec | tenor recorder |
| tsax | tenor saxophone |
Brass | | | ahn | alto horn |
| atrb | altotrombone |
| barhn | baritone horn |
| btrb | bass trombone |
| cornet | cornet |
| euph | euphonium |
| fhn | flugelhorn |
| hn | French horn |
| tba | tuuba |
| thn | tenor horn |
| trb | trombone |
| trp | trumpet |
Percussion | | | dr | drums |
| glock | glockenspiel |
| mar | marimba |
| perc | percussion |
| timp | timpani |
| vibr | vibraphone |
| xyl | xylophone |
Strings | | | db | double bass |
| gamba | viola da gamba |
| str | strings |
| vla | viola |
| vlc | cello |
| vln | violin |
Other | | | acc | accordion |
| cel | celesta |
| cemb | harpsichord |
| chords | chords |
| elbas | electric bass |
| elg | electric guitar |
| elorg | electric organ |
| elpno | electric piano |
| guit | guitar |
| harm | harmonium |
| hca | harmonica |
| hp | harp |
| instr | instrument |
| kantele | kantele |
| keyb | keyboard |
| live electr | live electronics |
| mand | mandolin |
| mel | melody |
| org | organ |
| pno | piano |
| synth | synthesizer |
| tape | tape |
Vocal | | | alto | alto |
| baryt | baritone |
| basso | bass voice |
| ch | choir |
| chc | childrens choir |
| chf | female choir |
| chm | male choir |
| chx | mixed choir |
| cten | countertenor |
| mezzo | mezzo-soprano |
| sopr | soprano |
| speaker | speaker |
| ten | tenor |
| voc | vocal |
Coding for instrument ensembles and orchestras
| Symphony orchestra | | | 2222 4331 11 1, str = 2 flutes, 2 oboes, 2 clarinets, 2 bassoons, 4 French horns, 3 trumpets, 3 trombones, tuba, timpani, one other percussionist, harp and strings |
Wind band | | | 2252 3 423 21212 3 = 2 flutes, 2 oboes, 5 clarinets, 2 bassoons - 3 saxophones - 4 French horns, 2 trumpets, 3 trombones - 2 cornets, alto horn, 2 tenor horns, baritone horn, 2 tubas - 3 percussionists |
Big band | | | 221 4 4, pno, guit, db, dr = 2 alto saxophones, 2 tenor saxophones, baritone saxophone, 4 trumpets, 4 trombones, piano, guitar, double bass, drums |
Additional codes | | | + | fl+pic = flutist doubles on piccolo |
| / | pno/org = can be played on either piano or organ |
| lib | ad libitum |
| obl | obligato |
| str | str: 65432 = specified number of string players |
| str min | str min: 65432 = at least 65432 |
| str max | str max: 65432 = not more than 65432 |
| solo | vln solo = violin is the solo instrument in a work not obviously for solo violin |
Category Chamber Works
Commisioned by / dedications Dedicated to Osmo Vänskä and Erin Keefe
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