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getID3() can write (some formats are only partially supported and/or buggy, use with caution):
Viewable source files for v1.9.14:Read these files for info on how this script works, recent changes, etc:
Viewable source files for v2.0.0-b6:Read these files for info on how this script works, recent changes, etc:
Can I use getID3 in my commercial program?
Licensed gCL (commercial) usersThis is the official list of licensed getID3 Commercial Licensees: