This weekend's Art of Cool Festival in Durham, N.C., aims to expand the audience for improvised music. So it's booked performers from modern R&B, hip-hop and beyond with deep jazz influences.

This weekend's Art of Cool Festival in Durham, N.C., aims to expand the audience for improvised music. So it's booked performers from modern R&B, hip-hop and beyond with deep jazz influences.

This weekend's Art of Cool Festival in Durham, N.C., aims to expand the audience for improvised music. So it's booked performers from modern R&B, hip-hop and beyond with deep jazz influences.

This weekend's Art of Cool Festival in Durham, N.C., aims to expand the audience for improvised music. So it's booked performers from modern R&B, hip-hop and beyond with deep jazz influences. This ...

This weekend's Art of Cool Festival in Durham, N.C., aims to expand the audience for improvised music. So it's booked performers from modern R&B, hip-hop and beyond with deep jazz influences.