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New Feature
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Resolution: Unresolved
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Normal
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We just decided to add mood support to MB/LB. Now we need to decide which moods to use on the Arousal/Valence scale and come up with a simple graphic that outlines the two levels of moods we've discussed.
The list of choices should be limited to avoid being a confusing feature.
The basic 4 moods on Robert Thayer's valence-arousal diagram* (see image below) are:
- Angry
- Happy
- Sad
- Relaxed
I was thinking something along the lines of this diagram to also allow to select more nuanced moods: 
(from the above image, I'm interested in the diagram type, not the contents of it)
- Some sources:
- "Music mood dataset creation based on Last.FM tags" (Çano and Morisio, 2017): http://hdl.handle.net/11583/2669975
- "Discussion on Mood Taxonomy": https://www.music-ir.org/mirex/wiki/2007:Previous_Discussion_on_Mood_Taxonomy
- "The IMIRSEL has derived a set of 5 mood clusters": https://www.music-ir.org/mirex/wiki/2007:Audio_Music_Mood_Classification#Mood_Categories (apparently validated by the MTG Barcelona
- "Detecting Emotion in Music" (Li and Ogihara, 2003): https://jscholarship.library.jhu.edu/bitstream/handle/1774.2/41/paper.pdf
- has related issue
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- Open
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- Open
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- is a dependency of
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- Closed
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- is related to
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LB-243 Add support for tagging music with "emotion" words
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- Open
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[LB-1059] Determine moods for MB's new mood feature
Rate Your Music also has a selection of moods in their descriptors list (we could also include the Atmosphere section, as a lot of those feel like moods to me too). their moods currently are:
- angry
- aggressive
- anxious
- bittersweet
- calm
- meditative
- disturbing
- energetic
- manic
- happy
- playful
- lethargic
- longing
- mellow
- soothing
- passionate
- quirky
- romantic
- sad
- depressive
- lonely
- melancholic
- sombre
- sensual
- sentimental
- uplifting
- triumphant
alternatively, MusicBee also has some built-in moods, tho not all of them feel like moods to me, but rather occasions (another MusicBee tag). I use most of these myself, both in my library and on MusicBrainz, since I submit moods with Picard. I already listed them on STYLE-2229, but I figure I'll copy them over here too:
- Angry
- Bewildered
- Bouncy
- Calm
- Cheerful
- Chill
- Cold
- Complacent
- Comatose
- Crazy
- Crushed
- Cynical
- Groovy
- Depressed
- Dreamy
- Drunk
- Eclectic
- Emotional
- Energetic
- Envious
- Happy
- Mellow
- Morose
- Quirky
- Rockin
- Sad
- Soothing
- Spooky
- Sunday Brunch
- Tranquil
- Trippy
- Upbeat
- Wild
- Work
Based on this ticket there might be a mismatch between what we want to develop (a mood system that allows us to build recommendation and radio tools) and what current users will expect (a useful tag to use to sort things like 'soundtrack' and 'work' that aren't genres, but help us listen to things based on 'vibe').
I also worry about us implementing a unique moods system, which works well on a graph/for our needs, but that contains tags that aren't used by our community. I'm not sure if we'll get the data we need in that case, MB/LB tends to do well when it 'rides' along with the third party apps that use our data.
It's likely I have gotten the wrong idea, but didn't want to hold back on my feedback so there it is 
some discussion on this ticket happened over on STYLE-2589