Complex sentence: Whilst a critical success and despite being renowned for being an excellent live act, Mott the Hoople did not achieve sustained commercial success and after a concert in Switzerland in 1972 they announced their disbandment.
Split into simpler sentences: Whilst a critical success and despite being renowned for being an excellent live act, Mott the Hoople did not achieve sustained commercial success. After a concert in Switzerland in 1972 they announced their disbandment.