By definition, psychedelic means relating or connecting by way of drugs or some other form of mental stimulation which is capable of producing abnormal psychic effects and sometimes psychotic states. Pink Floyd was uniquely distinguished by their whimsical, literary and philosophical lyrics. The band's song structure was quite complex.
The heavily distorted electric guitar also helped them to create their music. They also include sound effects in their music, which creates an audible illusion for the listener. Pink Floyd is also infamous for the visual elements in their songs. It is a known fact that LSD influenced pink Floyd's music. Their music is more like an experience.