Musicland last week launched four nearly identical e-commerce sites, one for each of its bricks-and-mortar chains: Sam Goody (www.samgoody.com), Suncoast Motion Picture Company (www.suncoast.com), Media Play (www.mediaplay.com) and On Cue (www.oncue.com). Designed to promote online sales of Musiclandís full gambit of merchandise, each offers a selection of DVD, VHS, videogame, and music titles for sale, plus licensed apparel, electronics, toys, sheet music and computer software.Visitors to each site able to search by ""channel,"" or product category. For example, movie channels are genre defined such as ""action/adventure"" etc. and music, ""classical"" etc. A store locator is featured on each site.