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Bpm (beats per minute) detection to get the tempo. Key detection to get the main harmonic chord of the music. Easy helper tables to get the key in musical, Camelot or Open Key notations. Loudness/peak analysis to detect the average and peak volume. Key & BPM of any song - Music Database by Tunebat Key & BPM Database and Music Finder A resource to help DJs, producers, musicians, and music enthusiasts find key and BPM info, as well as much more for 40M+ songs, and to discover tracks for harmonic mixing. How to Run MixMeister BPM Analyzer on Mac Mac Version May Be Available Option 1: Use Parallels. Parallels is the fastest, easiest, and most powerful option to run Windows on your Mac. Data can be shared between Mac and Windows and switching between the two is as simple as switching screens. Key & BPM Database and Music Finder A resource to help DJs, producers, musicians, and music enthusiasts find key and BPM info, as well as much more for 40M+ songs, and to discover tracks for harmonic mixing and any other purpose imaginable. It’s from the makers of DJ mix automation software Mixmeister, and it’s called BPM Analyzer. It’s available for PC and Mac, and you can get it from here: Download MixMeister BPM Analyzer for free It couldn’t be simpler to use – you just drag and drop your files and watch MixMeister BPM Analyzer review them one by one.

Knowing the BPM (beats per minute) of your music is of course essential for both understanding better where various genres of music fit on the BPM scale and also for mixing those tunes together once you know.

Nearly all the software people DJ with automatically calculates the BPM of your music for you – it’s part of the loading time taken when you drag a new track onto a DJ deck in Virtual DJ, Traktor or Serato etc.

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But what if you don’t have DJ software yet? What if you don’t want your whole collection in your DJ software? What if you just want to fill in the BPM ID3 tag of your files in iTunes?

Luckily, there’s a little-known free program that will do that (and only that) for you. It’s from the makers of DJ mix automation software Mixmeister, and it’s called BPM Analyzer. It’s available for PC and Mac, and you can get it from here:

It couldn’t be simpler to use – you just drag and drop your files and watch MixMeister BPM Analyzer review them one by one.

I’d recommend running it overnight if you’ve got a big collection – and don’t forget to ask your iTunes (or whatever library software you use) to rescan the ID3 tags of your MP3s once you’re done. The reason is that some software (including iTunes) doesn’t do this automatically.

Have you got any little free pieces of software that you couldn’t live without? Let us know in the comments.

Being able to recognise the key of a song is an extremely valuable musical skill which can take some time to develop. To give you a quick crash course, every song is made up of a variety of notes, but the key, is a group of seven notes or chords that harmonically work really well together. Here’s the C major scale for example, for which the key is C:

C-D-E-F-G-A-B-C

And here is the C major chord scale:

CEG. DFA. EGB. FAC. GBD. ACE. BDF.

All you need to know at this stage is that playing combinations of these notes or chords together will always sound good together. Playing notes that are outside of these notes for the key of C, won’t.

The science

When we hear different notes being played from an instrument, sound waves hit our eardrums at different frequencies – measured in Hertz (Hz). Some sound waves when played together sound great and literally music to our ears whereas some, can sound a little strange or even out of tune.

When to adjust key and tempo

Samples often need to be slowed down, or sped up to match the tempo of the track – if you imagine a sound wave being stretched or squashed to fit the BPM of your track, you can start to understand what this also does to the sound.

Vocalists experience having to sing above or below their natural vocal range when covering songs originally sung by members of the opposite sex. In a live setting, the band will accommodate this by changing the key of the song. When working with samples which have already been recorded, we need to rely on technology to do this work for us.

Manipulating key and tempo on BandLab

Bpm And Key Analyzer Mac

For a MIDI track, changing the key is as simple as transposing it up or down a few semitones and your DAW has intervals to help you get this exact.

Best Bpm Analyzer Mac

For an audio track, changing the key usually requires a tempo shift and this can often be laborious, time-consuming and can often result in samples not being quite in tune or in the key you need it to be. The great news is, BandLab’s got your back. We’ve integrated a piece of technology called AudioStretch meaning you can change the key of an audio track or sample without changing tempo, or vice versa. There will be no loss of audio quality either!

To adjust the key or tempo of a track, right click on the track and mouse over “AudioStretch”. Choose + or – 1 semitone to adjust the pitch, or + or – 10% speed to adjust the tempo.

You can even adjust the overall key or tempo of the entire song, so you don’t have one track that is out.

Bpm And Key Analyzer Machine

If you’re working with pre-recorded samples, or recording a live instrument, make sure you set the key of the track once you’ve recorded it. If you recorded a guitar in the key of A maj for example, input the key on the top of the Mix Editor. You can also right-click on the track and select “Analyze Region” to determine the BPM of your track. Best practice is to input the key and the tempo of your track when you start a project, and any future adjustments will be based on that.

Bpm And Key Analyzer Machine

Being able to make music without the boundaries of a fixed key or tempo allows you to be as creative as you like. So get creating here.