What is the fine-grained topic of the following text: The first single of his album, ‘Too Good At Goodbyes’ has achieved global success, hitting #1 on the ARIA Singles Chart, the UK and reaching #1 on the Australian, UK and US iTunes charts and entering the official UK charts at #1 making it Sam’s sixth UK number one single. Only return the topic.
The global success of Sam's single, 'Too Good At Goodbyes'.