How Top Mix Engineers Run Their Business: File Delivery, Revisions, Invoicing, and Client Communication

Everyone asks how Serban Ghenea and John Hanes get their low end and vocals to sit so well. Almost nobody asks how they run the business behind it. Starting from the famous Gearspace Q&A thread, Dee Kei and Lu focus on the questions people skip: how work comes in, how files move, and how to stay organized under a heavy workload.

Dee Kei frames it with The E-Myth, which splits every business owner into the technician, the manager, and the entrepreneur. Most engineers are almost all technician, which means they own a job instead of a business. He shows what systems look like in practice through the relaunch of free mix feedback, including a reviewers handbook, status tags, and a private ticket system for Patreon members.

Then both hosts walk through their own setups: how clients send files, what to ask for (wet stems, dry stems, and the session), and how to set turnaround expectations. They also cover deposits, locking downloads until an invoice is paid, how they handle revisions and spec mixes, and tools like Trello and end-of-day client updates.

Dee Kei closes with a reminder that consistency and efficiency are decisions, not accidents. A little time spent planning your systems gives you more time to be the technician.

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