Step 1 — Open a NEW empty project
File → New
Step 2 — Import All Files Together
File → Import → Audio
They will appear as multiple tracks stacked vertically.
Select ALL MP3 files at once. (Ctrl + A)
Step 3 — Align Them Properly
Go To: Tracks → Align Tracks → Align End to End
Step 4 — Merge Into One Track
Go To: Tracks → Mix → Mix and Render
This combines them into ONE continuous track. You should now see a single waveform.
Press play, and you should hear clean sequential audio.
