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.
Three Rivers Stadium. Thirty Years of Stadium Rock. Three Rivers Stadium during its short 30 year existence from 1970 to 2000 hosted almost 50 major concerts and a dozen music festivals. The era of stadium rock began at Three Rivers in 1971 with a performance by Three Dog Night.