Can Suno or Udio copy an existing song exactly?

No. These tools generate original audio and will not clone a copyrighted recording or melody. This guide helps you describe a style and arrangement so the AI produces a fresh cover-style track rather than a copy.

Why describe the original song's style at all?

Giving the model the source genre and tempo anchors the rearrangement so the new version still feels related. Without it, the AI may drift far from the energy and structure you wanted to reinterpret.

How do I change the key or tempo?

State the target tempo in BPM and the mood you want. Slower tempos and minor keys read as ballad or acoustic covers; faster tempos with a major feel read as upbeat or dance reinterpretations.

Do I need to provide lyrics?

For Suno and Udio you supply your own lyrics in a separate field. The style prompt this tool builds only controls the musical arrangement, instrumentation, and mood of the cover.

AI Cover Song Arrangement Guide

AI cover song arrangement prompts

A “cover” in AI music tools is really a style transfer: you keep the song’s spirit but rearrange the genre, instrumentation, tempo, and mood. Suno and Udio will not reproduce a copyrighted recording, so the goal of a good prompt is to describe the new arrangement clearly enough that the model produces an original track that reads as a reimagining. This builder assembles that style description for you.

How it works

The tool combines three things into one style string: the original genre (an anchor for energy and structure), the target style (the genre and mood you want the cover to land in), and an instrumentation change (the swap that signals the transformation — for example, electric guitar to lo-fi piano). It then appends tempo and key guidance. Suno and Udio read this from their style box; you paste your own lyrics separately.

Tips for better covers

Lead with the target, anchor with the original. “Acoustic folk cover of an upbeat pop song” tells the model both where to start and where to land.
Name one instrumentation swap, not five. A single clear change (“replace synths with fingerpicked acoustic guitar”) reads cleaner than a long list the model will partially ignore.
Use BPM for tempo. “Slowed to 70 BPM” is far more reliable than “slower”.
Match key to mood. Minor keys and slow tempos give intimate, melancholic covers; major keys and higher BPM give energetic, danceable reinterpretations.