Complex sentence: On April 11,2014, Nirvana were inducted into the rock and roll hall of fame though Pat was not inducted he joined Dave Grohl and Krist Novoselic on stage for performances of Nirvana songs along with Joan Jett, Lorde, St. Vincent and Kim Gordon.
Split into simpler sentences: On April 11,2014, Nirvana were inducted into the rock and roll hall of fame. Though Pat was not inducted he joined Dave Grohl and Krist Novoselic on stage for performances of Nirvana songs along with Joan Jett, Lorde, St. Vincent and Kim Gordon.