Todor Zhivkov to 1988, Bulgaria won an unprecedented 153 Olympic medals and numerous European and world competitions in sports as diverse as volleyball, rhythmic gymnastics and wrestling. Dissent was punished under Zhivkov's rule. The CSS was a feared tool of control, and overt opposition largely stayed underground until the late 1980s. In 1978, the Bulgarian dissident Georgi Markov was assassinated in London by an agent who stabbed him with an umbrella tip which implanted a very small ricin ball. According to former KGB general Oleg Kalugin, this was requested by Zhivkov and either performed by the KGB or it assisted the CSS;
By a Thread: Live in London 2011 one of the first four Devin Townsend Project albums performed in their entirety. The "Ki", "Addicted", and "Deconstruction" concerts were held at the University of London Union, and the "Ghost" concert was held at the Union Chapel. The box set contains four DVDs, each featuring a concert, and four CDs containing the audio from the concerts. A fifth CD contains the audio of the encores played during the concerts. The box set is limited to 5,000 copies worldwide. DVD 1 Extras: DVD 2 Extras: DVD 3 Extras: DVD 4 Extras: By a Thread: Live in London 2011 By a Thread