JHymn
JHymn (Java Hear Your Music aNywhere) is computer software which provides a graphical user interface for the hymn program. JHymn is written in Java. It extends hymn with additional functionality including the ability to add, delete, and update MPEG-4 atoms in file types of M4A, M4B, M4P, and MP4. The program and its source code are available under the GNU General Public License. JHymn was coded by an anonymous coder who goes by the nickname FutureProof in the hymn forums.
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