I bought a hundred-pack of these CDs ten years ago and used them exclusively in my Roland/Boss 1600 16-track recorder with 8 simultaneous recording tracks. They were excellent in service. I have not had one problem in recording them, and the recordings have held up over the years. Longevity and good service of these disks is important to me as I record at least a couple albums a year in my studio and I want my customers to be satisfied with the master I produce for them. No problem. I hope the company still maintains the quality control they could righteously claim in 2008.