Incorrect metadata for concert movies

[Arthi-chaud]

Kyoo's version

4.7.1

What happened?

The matcher yields surprising results when trying to match concert movies.
The structure of the files/file naming convention might be at fault here, but (and I hate to say it) it works fine on Plex.

Files are names following this pattern:

• ${Artist Name} - ${Concert Name}.ext
• ${Artist Name} - ${Concert Name}/${Artist Name} - ${Concert Name}.ext
  • I use this when I have 'bonus' files (like behind-the-scenes and stuff) and I need to make a folder to group them

Examples:
1.Madonna - Drowned World Tour 2001.mp4 (Expected, got: unmatched)
2. The Corrs - Unplugged.mkv (Expected, got: unmatched)
3. Kylie Minogue - Intimate And Live (Expected, Result)
4. Christina Aguilera - Back To Basics Live And Down Under/Christina Aguilera - Back To Basics Live And Down Under.mkv (Expected, Result)
5. Superbus - Live A Paris/Superbus - Live A Paris.mp4 (Expected, Result)
6. Avril Lavigne - The Best Damn Tour (Live in Toronto).mkv (Expected, Result)

On the other hand, the following files are matched correctly:

• Girls Aloud - Ten The Hits Tour (2013)/Girls Aloud - Ten The Hits Tour (2013).mp4
• Madonna - Reinvention Tour Live in Lisbon (2004).mp4
• Olivia Ruiz – Chocolat Show.mkv

[zoriya]

guessit parses the file names as {title} - {alternative_title}, we should add a rule to first try the whole {title} - {alternative} and fallback on only the title if not found.