Sound recordings sold through a tangible medium which takes up physical space and not through a digital audio transmission. Examples include CDs, vinyl, cassettes, etc.

What Should You Look For In A Good Mastering Engineer?
If you’re in the music biz, then you need good mastering before you launch your records. But, what should you look for in a good mastering engineer? Discover 5 of the most important qualities to make sure you make the right choice to give your tracks the competitive edge inside!