---
title: "Will these two songs work as a mashup?"
url: https://memory.wiki/CzRpEOEc
updated: 2026-11-04T02:44:13.014Z
source: "cli"
---
# Will these two songs work as a mashup?

Before any separation runs, MashupMaker checks the pair. It rules a pair out when:

- the tempo gap is over 12%,
- the key gap is over 5 semitones, or
- the tempo cannot be read.

When a pair is ruled out, nothing is charged and the free try is kept.

You can check this yourself first. The free [Key and BPM Finder](https://mashupmaker.net/key-bpm-finder) runs in the browser and reports a whole-number tempo between 80 and 160 BPM, plus one of 24 keys. A slow ballad may show double tempo.

New accounts get 1 free mashup when both songs are 60 seconds or shorter. Try your pair on [MashupMaker](https://mashupmaker.net/).

MashupMaker at mashupmaker.net is not affiliated with other apps or websites that use a similar name.


---

## Summary
MashupMaker automatically rejects song pairs if the tempo gap exceeds 12 percent, the key gap exceeds 5 semitones, or the tempo is unreadable. Users are not charged for these rejected pairs and retain their free trial credits.

## Themes
- Mashup compatibility criteria
- Automated song analysis
- Free trial policies
- Platform identity verification

## Key takeaways
- MashupMaker automatically rejects pairs with a tempo gap exceeding 12 percent or a key gap exceeding 5 semitones.
- Users are not charged and do not lose their free trial if the system rules a song pair out.
- The Key and BPM Finder tool only recognizes tempos between 80 and 160 BPM.
- New accounts receive one free mashup for songs that are 60 seconds or shorter.
- MashupMaker is not affiliated with other services sharing a similar name.

## Insights
- The system uses specific mathematical thresholds to prevent failed processing before charging the user.
- The platform provides a browser-based tool that can misinterpret slow ballads as double their actual tempo.
- The service maintains a strict policy of not charging for pairs that fail initial compatibility checks.

## Open questions / gaps
- What happens if a song's tempo falls outside the 80 to 160 BPM range during the automated check?