A unique feature of Guitar Pro 8 is RealTabs, which uses audio processing to match a real recording. If you import an MP3, GP8 will analyze the song and ask: "Automatically set the key?"
Trust this feature, but double-check it. Guitar Pro 8’s audio engine is remarkably accurate at identifying the root key of a song. If you import a backing track, let GP8 set the key automatically. However, if the song uses heavy chromaticism (e.g., Jazz or Metal with tritone shifts), the detection might default to C Major. In these cases, manual input is required. Guitar Pro 8 Key
An official Guitar Pro 8 activation key gives you: A unique feature of Guitar Pro 8 is
Guitar Pro 8 supports modal key signatures. Jazz or Metal with tritone shifts)