sentences:  This marked the end of their relationship with Polydor and the end of an era for the band.Facing a somewhat hostile political and social reaction, the group's fortunes experienced a downturn.Changing musical trends ended by subduing psychedelic rock, and while some groups managed to survive on the fringes of mainstream media (the band Three Souls in my Mind for example, becoming popular in suburban areas and with the working classes only), the band members decided to radically change their musical style, becoming singers of romantic ballads, thus ending their time as a rock band.