Final answer:
Authenticity in music is best represented by genuine and unique expression in lyrics, drawing from personal experiences and reflecting on serious topics, as exemplified by grunge bands from Seattle.
Step-by-step explanation:
The characteristic or practice that would signify authenticity in a band or musician is c) Genuine and unique expression of personal experiences in lyrics. Authentic music creators often draw inspiration from their own lives, providing a sense of truth and connection to their audience. This could involve reflecting on personal matters or wider social issues, which can be seen in grunge bands that emerged from Seattle. They avoided the typical hard rock themes and instead engaged with more serious topics like politics, mental health, and the downsides of drug dependency through their music. Additionally, grunge bands distinguished themselves by their distinct look of flannel shirts and jeans, which was in contrast to the glam of hair metal bands.
When it comes to what draws you to a type of music, necessary elements include the singing, instrumentation, such as the guitar, and potentially the rhythm, such as the dance or the handclaps. The most important aspects might differ from person to person; some might prioritize the lyrics, while others the rhythm or the overall feeling and experience delivered through the music.