Breaking the lease due to noise is often times complicated and difficult, it really depends upon how one would interpret whether the noise is too much. But . . . I see that you live in the city of Seattle. Seattle is a very pro-tenant city and requires certain disclosures. Failure to provide those disclosures allows a tenant to terminate the lease without repercussion at the end of the next rental period. It may be advisable to hire a landlord tenant attorney to review your lease and your documents to determine whether or not you can legally break your lease early.
This answer is for informational purposes only and should not be construed to establish an attorney client relationship. Before taking any legal action, it is always advisable to discuss your specific situation with an attorney.
It is in your best interest to have an attorney look at your lease agreement to identify your options.
Legal disclaimer: The answer provided is for educational purposes only. It does not constitute legal advice or create an attorney-client relationship. You should consult an attorney for legal advice regarding the facts of your specific case and designed to help you with your personal needs.