What is 4bars?

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4bars is an App that allows you to easily create your original songs by merging 2 songs and share them with others around the world. When you drop songs to “ChaosBelt”, other users’ songs are automatically downloaded to your iPhone and play 16 bars accordingly. You can add “Cool” to your favorite 4bars created by other users. If a song is high rating, it will be ranked on 4bars world chart. You can also save the created songs as short 4bars videos on your iPhone and share them on SNS.

You can download the app from here.

Here is the QR code for downloading with your iPhone.

Free plan

  • Pre-loaded 4 demo songs are available
  • Select tempo from 80/120/140(BPM)
  • Tempo of two songs is automatically adjusted to be same
  • Mixer feature is available for adjusting volume
  • You can export 4bars videos on your iPhone
  • Network functionality “ChaosBelt” is available

Paid plan – In addition to the above features, you can use followings

  • BPM slider which allows you to granularly adjust tempo from 60 to 180
  • Filter and Reverb effects are available
  • Unlock new 2 interface designs
  • 3-band EQ(Hi/Mid/Low) is available
  • Special 8 songs for 4bars PRO Library

Copyright of demo songs in 4bars app is reserved by the developer of this app. The developer allows users to share 4bars video on SNS created by merging demo songs. User reserves the copyright of songs created by merging the demo songs. Songs downloaded from subscription music service such as Apple Music are copyright protected and cannot be loaded into the app.

4bars – 2.0 “Chaosbelt” 30 sec video introduction

4bars World Ranking is here.