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Suffice it to say I have always placed a high value on the business side of things. It is my opinion to be as diverse as you can, as a drummer, and within the business. If you can play other instruments, practice and promote that. Write music, write books, learn computers and the ***engineering side of things if you have good ears***. Think of products you don’t see that can be useful and design them, with or without help. SOMEONE has to do all these things, why not you? It’s really about getting motivated, and following through on ideas, with goals and dreams being part of the process. Getting help from people you trust is important too. Protect what you create and own it if you can!

Что-то я не пойму: при чем тут слух, если до этого упоминается "engineering side of things"? Или, я, может, недопонимаю чего-то?
Это из речи барабанщика.