Corpus “Social cognition in improvised interactions”

This is a research corpus of 100 improvised musical duets recorded for the paper “Musical friends and foes: The social cognition of affiliation and control in improvised interactions” by JJ Aucouturier and Clément Canonne, Cognition, vol. 161, 94-108, 2017. http://www.sciencedirect.com/science/article/pii/S0010027717300276

Participants: N = 18 professional French musicians (male: 13; M = 25, SD = 3.5), recruited via the collective free improvisation masterclasses of the National Conservatory of Music and Dance in Paris (CNSMD), took part in the studio sessions. All had very substantial musical training (15–20 years of musical practice, 5–10 years of improvisation practice, 2–5 years of free improvisation practice), as well as previous experience playing with one another. Their instruments were saxophone (N = 5); piano (N = 3); viola (N = 2); bassoon, clarinet, double bass, euphonium, flute, guitar, saxhorn, violin (N = 1).

Procedure: The musicians were paired in 10 random dyads and each dyad recorded 10 short (M = 95s) improvised duets. In each duet, one performer (musician A, the “encoder”) was asked to musically express one of 5 social attitudes (see below), while the other (musician B, the “decoder”) was asked to recognize it based on their mutual interaction. Musicians in a dyad switched role after each improvisation: the decoding musician then became the encoder for another random attitude, which the other musician had to recognize, and so on until each dyad had recorded 5 attitudes each, for a total of 10 duets. Attitudes were presented in random order, so that each musician was both the encoder and the decoder for each of them once. In total, we recorded n = 100 duets (5 attitudes encoded by 2 musicians, in 10 dyads). Musicians played from isolated studio booths without seeing each other, so that communication remained purely acoustical. Each duet was recorded in two separated audio channel, one per musician.

Attitudes: The five social attitudes chosen to prompt the interactions were those of being domineering (DOM; French: dominant, autoritaire), insolent (INS; French: insolent, effronté), disdainful (DIS; French: dédaigneux, sans égard), conciliatory (CON; French:conciliant, faire un pas vers l’autre), and caring (CAR; French: prévenant,tre aux petits soins  ). The 5 attitudes were presented to the participants using textual definitions (pdf) and pictures illustrative of various social situations in which they may occur (zip). The same pictures were used as prompts during the recording of the interactions.

The complete corpus, available on archive.org, contains 3 sets of files, each in a compressed .zip file:
– 13 videos: 13 duets that were recorded in video.
– 25 stereo files: the subset of 25 duets used for the article’s decoding studies, each mixed in stereo.
– 100 mono tracks: the complete set of 100 duets, each in separated mono tracks (A: encoder, B: decoder)

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