EMI: Experiments in Musical Intelligence One man’s dream to create new works from the composers who are decomposing

What is EMI? Written by David Cope Originally a fix for “composer’s block” Became a tool for composing entire works Writes works that emulate styles of various composers

Central Challenges Creating a grammar that holds all of the basic rules for coherent music Using previous works to bring life into the music Passing off new works as written by the “original” composer

Music as seen by EMI

Implementation of EMI Parses existing musical examples into a complex catalog of lexicons Augmented Transition Networks provide a way of linking lexicons of words into meaningful musical sentences

SPEAC Identifiers Statement - declaration of material Preparation - introductory gesture Extension - continuance of material or ideas Antecedent - active function Consequent – conclusive, paired with antecedent

SPEAC Analysis of Bach Chorale

Nested Musical Phrases Musical phrase analysis on multiple levels

Extracting the Essence Finding a composer’s signature and using it in the new works Two Mozart piano sonata excerpts:

Success of EMI Styles are always recognizable “EMI’s Mozart is better than 99 percent of non-Mozart classical music.” - Cope Performers can often feel the depth, richness, and emotion in EMI’s works Tested before experts at Eastman Live performance of Mozart’s 42nd

The End – Any Questions?