Very good tapes to record FM radio, or CDs. The sound is clear and without noise in his défilement.Pour a good recording or a good listen with all my audio tapes, I clean the read head of my reader with "cotton and alcohol at 90 ° bought in pharmacy" by careful not to sink inside my camera, as soon as the sound of the tape is not net.J'ai always used this method, and my audio player works very bien.Pour these cassettes 5 of 5 Stars. Commentary GBFRANCE.