The iPod's shuffle function is meant to randomly move from one song to the next -- but how random can a random function actually be? Learn more in this podcast.

Unlike vinyl, which usually plays for less than half an hour on each side, a compact disc can play for 74 minutes. Listen in and learn the story behind the creation of CDs in this podcast from HowStuffWorks.com.

Campaign jingles are a memorable part of almost any large-scale campaign. Tune in and learn more about the history of campaign jingles in this podcast from HowStuffWorks.

Music therapy is an increasingly accepted form of therapeutic treatment, similar to other types of creative therapy. Listen as the B-Side team takes a look at music therapy in this podcast from HowStuffWorks.

When compact discs emerged critics saw the technology as the end of vinyl records. Yet as CD sales tank and vinyl records sales increase, music lovers and music makers are reconsidering the role of records. Learn more this podcast from HowStuffWorks.

Although music fans have been selling used records and CDs for years, very few people have considered buying used digital music files. Learn more about digital music files and the first-sale doctrine in this podcast from HowStuffWorks.

Tribute bands exclusively play the work of earlier, more well-known groups, and this imitation isn't restricted to music alone. Learn more about the history of tribute bands in this podcast from HowStuffWorks.

When renowned musician Bernie Krauss recorded bird song, he noticed something strange -- the animals seemed to synch with one another, forming a phenomenon similar to a musical score. Learn more about bioacoustics in this podcast from HowStuffWorks.

Today, the guitar is one of the world's most well-known and popular instruments -- but where did it come from? Tune into this HowStuffWorks podcast to learn more about the history and evolution of the guitar.

From physical assault to deep psychological trauma, torture can take many forms.