Krzysztof "Grabaż" Grabowski, besides being the vocalist of Pidżama Porno, performed occasional concerts, playing acoustic guitar, with repertoire that inlcuded Pidżama Porno's unrealesed tracks and covers. On one of such concerts, he appeared with a band and announced that from now on, he would no longer perform solo but with the band which was named "Międzymiastówka Koncertująca Strachy Na Lachy".
