It's worth remembering Zephyr, that this has happened before.. Paganini and Liszt in the 19th century, were considered disciples of the Devil by many. Riots were staged at Stravinsky's Rite of Spring in the early 1900s. Benny Goodman's attempt to bring Jazz to the musical "elite" proved very hard work. And Elvis Presley and Rock and Roll in general was outlawed by vast numbers of adults who feared its corrupting influence .... and the list goes on. All these types of music and artists are now well respected by almost everyone, and one day in the not too distant future, your music will be respected ...(or dismissed in the golden oldies pile) and you will not have suffered any ill effects because of it. You mentioned your sister earlier .. I gather she had problems, and she would have had them with or without the music. You seem totally sensible and level headed.. so go ..enjoy your music ... and maybe as WW suggested introduce your parents to some more melodic and quieter examples of what you like.. and take care with the headphones .. and keep the volume down, or when you have your own children you won't hear what they are playing atall