1. A method to identify an emotion evoked by media, the method comprising: accessing a pre-verbal utterance known to evoke a first emotion; creating, using a musical instrument digital interface notator, a musical instrument digital interface representation of the pre-verbal utterance; synthesizing, using a digital musical instrument, a first synthesized sample based on the musical instrument digital interface representation of the pre-verbal utterance; calculating, with a processor, a first value of a first feature of the first synthesized sample; creating, with the processor, a mood model based on the first feature, the mood model to establish a relationship between the first value of the first feature and the first emotion; identifying a second value of the first feature of first media evoking an unknown emotion; and identifying the unknown emotion as the first emotion when the mood model indicates that the second value corresponds to the first value.