Pandora Traits List: a work in progress

I'm trying to put together a list of the traits that Pandora uses to classify songs.

I will update these as I discover more or comments are added.

acoustic drum samples

acoustic rhythm guitars

acoustic rhythm piano

acoustic sonority

ambiguous lyrics

atmospheric production

basic rock song structures

breathy female vocal

breathy male vocal

bumpin' kick sound

busy acoustic hihat

busy horn section

call and answer vocal harmony (antiphony)

chromatic harmonic structure

clear focus on recording studio production

danceable grooves

deep voice

demanding instrumental part writing

disco influences

dynamic male vocalist

electric bass riff

electric guitar riffs

electric guitars

electronica influences

electronica roots

emphasis on instrumental performance

extensive studio production

extensive vamping

female vocal

great lyrics

grunge recording qualities

hard rock roots

heavy syncopation

heavy use of chordal patterning

highly synthetic sonority

hip-hop influences

humorous lyrics

inventive instrumental arrangements

jazz influences

knack for catchy hooks

laid back female vocal

laid back male vocal

latin influences

lyrics with a political message

major key tonality

mellow rock instrumentation

melodic part writing

mild rhythmic syncopation

minor key tonality

mixed acoustic and electric instrumentation

mixed minor & major key tonality

new age influences

new wave influences orchestral arranging

paired vocal harmony

pop rock qualities

prevalent use of groove

prominent organ

reggae feel

repetitive melodic phrasing

ska influences

slow moving bass line

smooth male vocal

subtle use of electric keys

subtle use of vocal counterpoint

subtle use of vocal harmony

synth bass riff

synth rock arranging

synthetic sonority

tight kick sound

trippy soundscapes

unusual vocal sounds

use of electric pianos

use of strings

use of techno synths

use of tonal harmonies

variety of synth sounds

vocal harmony

vocal-centric aesthetic

vocal-centric performance

(last update 12/27/05)