Complex sentence: Barnett's debut album, "Sometimes I Sit and Think, and Sometimes I Just Sit", was released on 23 March 2015 to widespread critical acclaim: at the ARIA Music Awards of 2015 she won four categories from eight nominations.
Split into simpler sentences: Barnett's debut album, "Sometimes I Sit and Think, and Sometimes I Just Sit", was released on 23 March 2015 to widespread critical acclaim. At the ARIA Music Awards of 2015 she won four awards from eight nominations.