Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_1601027_2 (driver_matched_db VARCHAR, headphone_class VARCHAR)
### Question:
Name the driver matched db for joseph grado signature
### Answer:
SELECT driver_matched_db FROM table_1601027_2 WHERE headphone_class = "Joseph Grado Signature"