Complex sentence: Xulfi in his early days of music rooted his guitar strums to alternative rock and metal back to early 2000's when rock music was something that was yet to be explored in Pakistan.
Split into simpler sentences: Xulfi in his early days of music rooted his guitar strums to alternative rock and metal. His career stretches back to early 2000's when rock music was something that was yet to be explored in Pakistan.