# Attributions

**MIDI Communication:**

The MIDI communication is based on sample code by Pete Goodliffe.

Thank you to Pete for publishing his sample code on the internet.

You can find more information here:

<http://goodliffe.blogspot.com/2010/10/using-coremidi-in-ios-example.html>

**Music Symbols:**

The music symbols for insertion with the annotation function are from Linkware Graphics.

Thank you to Shirley Kaiser for publishing these symbols.

You can find more information here:

<http://linkwaregraphics.com/music/>

**In-App-Settings:**

The in-app settings were realized with "InAppSettingsKit". Thank you to Luc Vandal and Ortwin Gentz for the development and publication.

You can find more information here:

<https://github.com/futuretap/InAppSettingsKit>

**OpenSSL:**

SongBook+ uses OpenSSL. According to the licensing terms, this must be mentioned with the following statement:

*“This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (*<http://www.openssl.org/>*).”*