original_query: How did Bache fund, organize, and promote the annual series of concerts featuring orchestral and choral works?
query: How did Walter Bache fund, organize, and promote his annual series of concerts featuring orchestral and choral works?
answer: Bache single-handedly funded, organized, and promoted the concerts.  He initially used smaller venues and gradually moved to larger ones as popularity increased.  The concerts included instrumental, chamber, choral, and eventually orchestral works.