Music Library Doctor
How-to

How to prep a USB stick for club gigs

Export a club-ready USB without forking your home library. Cues and beatgrids preserved, Rekordbox master.db on the USB built natively.

The problem

Exporting tracks for a club gig usually means dragging files to a USB stick formatted as FAT32, then opening Rekordbox Export Mode and waiting an hour while everything analyzes — and discovering at the club that half the cue points didn't transfer or the player can't read the drive. Worse, some flows end up modifying the main home library when you only meant to copy out.

How Music Library Doctor does it

  1. 1 Install Music Library Doctor and connect the target USB (FAT32 or exFAT for CDJ-3000 compatibility).
  2. 2 Select the playlists or folders you want on the USB. MLD shows total size and verifies the USB has enough space.
  3. 3 Choose USB Export. MLD builds the Rekordbox database on the USB itself — encrypted master.db, analysis files, artwork — without touching your home library.
  4. 4 MLD copies the audio files in parallel with the database build. Cue points, hot cues, beatgrids, and color tags all carry over.
  5. 5 Eject the USB safely. Plug into the CDJs at the gig — your playlists, cues, and analysis are already there.

Supported today

Rekordbox · Serato DJ · VirtualDJ (incl. Favorite Folders) on Windows 10+ and macOS (Apple Silicon + Intel).

Why native integration matters

Rekordbox's own Export Mode works but is slow and prone to forking your library if you misclick. MLD treats the USB as a build target: it writes a fresh, self-contained Rekordbox library on the USB without modifying your home master.db. The home library stays exactly as it was. The USB is club-ready in minutes instead of an hour. Encrypted master.db on the USB is supported natively, which matches what current CDJ firmware expects.

Frequently asked questions

What format should the USB be?

FAT32 for maximum CDJ compatibility (up to ~2 TB drives). exFAT works for CDJ-3000 and newer Pioneer/AlphaTheta gear. Avoid NTFS — most club gear doesn't read it.

Does this modify my home library?

No. The USB export is a one-way write to the USB. Your home master.db is untouched. A read-only mode option enforces this if you want a hard guarantee.

How long does a typical export take?

A 500-track playlist with full analysis usually finishes in 5–15 minutes depending on USB speed. Files that already have Rekordbox analysis copy faster — analysis-free files take longer because Rekordbox needs to compute them.

Will my Serato cues transfer to the USB?

If you're exporting from a Serato library to a Rekordbox-format USB, cue points carry over where the format allows. See the Serato → Rekordbox guide for the format mapping details.

Does this work with the new Rekordbox 7?

Yes. MLD supports Rekordbox 6 and 7 encrypted master.db formats, which matches the current CDJ-3000 firmware expectations.

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