iTunes GRP1 id3 frame

Scott Wheeler scott at
Tue Jun 20 21:02:10 UTC 2017

> On Jun 20, 2017, at 22:41, patrick machielse <patrick at> wrote:
> Hi,
> It appears that with iTunes (December '16), Apple introduced a new ID3v2 frame 'GRP1', outside of the official ID3 spec.
> The 'GRP1' seems to be the new place where iTunes writes its 'grouping' information. That information was previously written to 'TIT1'.
> The most recent release of TagLip is predates this development.
> Are there plans to support this new frame in a future TagLib release?

None that have been discussed, but in general, TagLib doesn't add stuff to its generic interfaces that are based on application specific extensions.

> If I want to add read /write support to my local TagLib code, what would be the best approach?

It's probably just another text frame, so you could just call the constructor for TextIdentificationFrame with the data from UnknownFrame.


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