Its founder and leader Jósef Skrzek had a classical musical background, which undoubtedly gave him the symphonic feel of the band.
During the 70's, SBB were the most important band in Poland and today they are viewed with great respect by today's bands.
"Wolanie or Brzek Szkla" was the fourth work of this band, published in 1978, it is the most electronic album of the group, which would benefit from the experimentation that the band had done in previous years, in addition to the impressive set of synthesizers and other instruments electronics, allowing them to create intricate arrangements and intelligent atmospheres with lavish instrumentation.
The eclectic mix of symphonic and spatial influences, spiced with jazz sounds make this work one of the best of this magnificent band unknown to the general public.
