13. A system, comprising: one or more processors; and memory, the memory storing one or more programs, the one or more programs comprising instructions, which when executed by the one or more processors, cause the one or more processors to: generate a text string from metadata associated with a media asset; parse the text string and identify one or more portions of the text string each providing information of a respective attribute associated with or identifying the media asset; substitute at least a first portion of the text string that provides respective information of a first attribute of the media asset with text providing respective information of a second attribute of the media asset different from the first attribute of the media asset, where the first attribute of the media asset and the second attribute of the media asset have been selected according to a genre-dependent rule and a respective genre associated with the media asset; and synthesize speech for provision with the media asset based on the text string after the substitution.
13. A system, comprising: one or more processors; and memory, the memory storing one or more programs, the one or more programs comprising instructions, which when executed by the one or more processors, cause the one or more processors to: generate a text string from metadata associated with a media asset; parse the text string and identify one or more portions of the text string each providing information of a respective attribute associated with or identifying the media asset; substitute at least a first portion of the text string that provides respective information of a first attribute of the media asset with text providing respective information of a second attribute of the media asset different from the first attribute of the media asset, where the first attribute of the media asset and the second attribute of the media asset have been selected according to a genre-dependent rule and a respective genre associated with the media asset; and synthesize speech for provision with the media asset based on the text string after the substitution. 17. The system of claim 13 , wherein the genre-dependent rule requires substitution of text providing artist information associated with the media assert with text providing composer information associated with the media asset when the respective genre associated with the media asset is classical music.