Led Zeppelin IV

Adding to this distinctions better hard rock and heavy metal styles are usually subtle and often more determined by a bands image rather than its songs. The two genres have some crossovers. Heavy metal pioneers such as Deep Purple, Black Sabbath and Led Zeppelin are are often considered to be both hard rock bands and heavy metal bands. Where Nazareth, Aerosmith, AC/DC, Status QUO and Guns N’ Roses and KISS are normally referred to as just hard rock bands and not heavy metal bands. One of the…

This expansion of the traditional soundscape, of course, isn’t without its justified criticism. Overdubbing and multi-track recording, by definition, allows artists to potentially polish their studio recordings to a degree of artificial perfection. Many critics agree that overdubbing induces a certain stiffness that isn’t present in live or single session recordings, and this rigidity directly contradicts the tenets of rock and roll, which decree it an organic expression of thought. For all the…

While ubiquitous Internet access is extremely convenient and enables marvelous new applications for mobile users, it also creates a major security vulnerability—by placing a passive receiver in the vicinity of the wireless transmitter, that receiver can obtain a copy of every packet that is transmitted! These packets can contain all kinds of sensitive information, including passwords, social security numbers, trade secrets, and private personal messages. A passive receiver that records a copy of…