1. A method of staged content analysis at an electronic device, comprising: receiving multiple streams of content for portions of a multimedia work (MMW); performing a high level analysis for features in each of the streams for the MMW; upon detection of a general feature, segregate the analysis for the portion having a detected general feature for specialized analysis; perform a specialized analysis on the portion having the detected general feature to generate a content analysis output; correlate the content analysis output with other content analysis of the MMW; and output a weighted content description based on the correlation function.