Complex sentence: Since its beginning when it took $3000 to finance the first production, HTI has produced over 100 Broadway musicals, some with budgets over $60000, financed only by ticket sales and fundraisers.
Split into simpler sentences: Since its beginning, when it took $3,000 to finance the first production, HTI has produced over 100 Broadway musicals. Some with budgets over $60,000, financed solely by ticket sales and fundraisers.