He is best known for his 2016 single `` Waves '' , which was certified 5× Platinum in Australia in 2019 , and his 2018 single `` Be Alright '' , which reached number one in Australia and was certified platinum within four weeks of release , eventually reaching 7x Platinum in Australia .
Dean Lewis 's single `` Waves '' reached Platinum less than six times in Australia in 2019 .