CU-Boulder's Hearing Research Lab is looking for adults who wear hearing aids to participate in a study on sound perception. The study focuses on finding out how audio-industry and hearing-aid processing affect music sound quality. The time commitment is approximately 10 hours. Testing will take place in the Speech-Language-Hearing Sciences Department, CU-Boulder. Listeners will be compensated. To find out more, contact hearlab@colorado.edu or 2-0067.