During season six of The Voice, Christina Grimmie emerged as a young talent that appealed to both the pop and indie rock crowds. Though she finished in third place, her post-show popularity continued before her shocking murder in 2016. Before she released her debut in 2011, Grimmie entertained fans via the Internet, where she became one of the highest-viewed musicians on YouTube thanks to her scaled-down performances of contemporary pop hits. She launched her YouTube page in 2009 and began covering songs by Adele, Miley Cyrus, and Selena Gomez, accompanying herself on piano an...