The HSS (Home Subscriber Server) is the concatenation of the HLR (Home Location Register) and the AuC (Authentication Center) â two functions being already present in pre-IMS 2G/GSM and 3G/UMTS networks.
Three Days Grace's music has been described as post-grunge, hard rock, alternative rock, alternative metal and nu metal. Their self-titled album mostly uses the sounds of alternative metal and post-grunge. However, on their second album One-X, the band had more guitar solos and a more melodic sound.
Grace Slick Biography Grace Slick, one of the first female rock stars, was the lead singer of the bands Jefferson Airplane and Jefferson Starship. This biography of Grace Slick provides detailed information about her childhood, life, achievements, works & timeline.