The brainchild of singer/songwriter Jaroslav Jeronym Neduha, the Czech group Extempore went on to become one of the country's most influential avant-rock bands. First started as a folk-rock outfit in 1972, it leaned more and more toward experimental rock as Neduha began structuring his compositions into live programs (extended suites). Under Mikolás Chadima's direction, the group steered ever more toward rock-in-opposition, playing gloomy avant-rock.
Forced out of the professional folk-rock scene by the authorities in 1971, Neduha started Extempore in the small town of Dóbri...