original: mergers and outreach , 1921 in 1921 the philharmonic merged with new york 's national symphony orchestra -lrb- no relation to the present washington , d.c. ensemble -rrb- .
simplifications: in 1921 , the philharmonic merged with new york 's national symphony orchestra . mergers and outreach , 1921 in 1921 the philharmonic united with new york 's national symphony orchestra -lrb- no relation to the washington , d.c. group of today -rrb- . in 1921 the philharmonic merged with new york 's national symphony orchestra -lrb- no relation to the present washington , d.c. ensemble -rrb- . in 1921 the philharmonic merged with new york 's national symphony orchestra . in 1921 the philharmonic merge with the new york national symphony orchestra , which is not related to the present washington dc ensemble . in 1921 the philharmonic joined with new york 's national symphony orchestra -lrb- not the washington , d.c. ensemble -rrb- . mergers and outreach , 1921 in 1921 the philharmonic joined with new york 's national symphony orchestra -lrb- no relation to the present washington , d.c. ensemble -rrb- . in 1921 the philharmonic joined together with new york 's national symphony orchestra -lrb- no relation to the present washington , d.c. group -rrb- .