After working for the ORGANIZATION@1 , Theremin worked at the LOCATION@1 Conservatory of MusicGlinsky p. NUMBER@1 , `` where PERSON@1 had constructed musical instruments '' for NUMBER@2 years where he taught and built theremins , electronic cellos and some terpsitones -LRB- another invention of Theremin -RRB- .

After working for the ORGANIZATION@1 , Theremin worked at the LOCATION@1 Conservatory of MusicGlinsky NUMBER@1 , `` where PERSON@1 had constructed musical instruments '' for NUMBER@2 years where he taught and built Theremins , electronic cellos and some Terpsitones .
