Table 3 Descriptive statistics of the four subgroups. Here, \(|U|\) is the number of users, \(|A|\) is the number of artists, \(|T|\) is the number of tracks, \(|\mathit{LE}|\) is the number of listening events, \(|G|\) is the number of genres, \(\overline{|\mathit{LE}_{u}|}\) is the average number of listening events per user, \(\overline{|T_{u}|}\) is the average number of tracks per user and Age̅ is the average age (along with the standard deviation) of users in the group

From: Support the underground: characteristics of beyond-mainstream music listeners