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.
The Good Life (Three Days Grace song) The Good Life is a song and the second single from Three Days Grace's 2009 album Life Starts Now. It was released for radio airplay on February 9, 2010. It charted at #85 on the Canadian Hot 100 before becoming a single.