COMBINE any scores with any audio tracks to get exactly the selection that you are after. Enjoy having 'full performance', 'minus one' and even 'instrument only' audio tracks at your fingertips.

You can SLOW DOWN or SPEED UP any audio track whilst the selected scores say in PERFECT SYNC and will automatically scroll for you, including all 'chart geography'. CHANGE the PITCH of the audio backing track to challenge your sight transposing skills or simply sing or play in a more comfortable key.

LOOP any amount of bars with a few simple taps to perfect a tricky section or just to have fun jamming around your favorite bars. With added functionality like looping, the KR Player brings renewed fun to your vocal and instrumental studies.

Create your OWN AudioSheetMusic™ by synchronizing your PDF scores with matching audio to improve your practise routine.

Become a DESKTOP PUBLISHER and share your AudioSheetMusic™ with others or sell through our store.

Not only can you CREATE your own AudioSheetMusic™ with KR Author you can also enjoy all the benefits of the KR Player on your Apple Mac.

Select scores and audio or metronome in ANY COMBINATION to get the most out of your music practise.

VIEW your AudioSheetMusic™ library and choose your favorite platform of practice - on the web, your iPad or Android tablet.

PLAY your AudioSheetMusic™ on Chrome, Firefox or Safari and enjoy all the benefits of the KR Player like looping and and tempo change.

Using clever technology our metronome is 100% ACCURATE. Created by professional musicians - tested by professional musicians.

Use the provided cool backgrounds or better yet, choose any image from your OWN PICTURE library on your iPhone.

SHAKE the iphone in time to your favourite tune to determine the tempo without even having to touch the screen, whether on or off.

Apps

Learn about our awesome apps here

KR Player

Play AudioSheetMusic™ on your tablet

KR Author

​Create your own AudioSheetMusic™

KR Web

Play AudioSheetMusic™ on any browser

MyBeat

Shake your iPhone to set the tempo

PUBLISHERS

Learn how to become a KR publisher here

Become a digital publisher and sell your AudioSheetMusic™ on our store today. Add additional value to your technical studies, etudes, lead-sheets, transcriptions, arrangements and entire books, all easily created with our free KR Author app. Click on the video to learn more, or click on the button to register.

Become a publisher

News

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Partners

Introducing our partners

Support

Get answers to all your questions here

About

Our story

What is ‘KnowledgeRocks?’

We are a London based Music Education Technology start-up. To significantly improve instrumental practise and learning we have invented AudioSheetMusic™ - a new digital file format that syncronises PDF sheet music to real audio.   Musicians of all ages, styles and levels can play, study and practise with AudioSheetMusic™ via our innovative applications: KR Player for iOS and Android tablets, KR Web for web browsers and KR Author for Mac.   Our online store is constantly growing with a wealth of high quality publications from all sources with a keen interest in music education and digital sheet music.

Reach Us

Our Team

This is the section where you can
learn about our awesome team

Our Team

This is the section where you can
learn about our awesome team

Our Team

This is the section where you can
learn about our awesome team

Our Team

This is the section where you can
learn about our awesome team

Our Team

This is the section where you can
learn about our awesome team