Complex sentence: After a musical ban imposed on her from the government, Kiani successfully returned to the music scene with her second album, Roshni, which remains her best selling album to date and helped establish her as a musical icon and the country's leading female vocalist.
Split into simpler sentences: After a musical ban imposed on her from the government, Kiani successfully returned to the music scene with her second effort, 'Roshni'. It remains her best selling album to date and helped establish her as both a musical icon and the country's leading female vocalist.