Music plays a central role in free radio but what motivates unpaid free radio music programme practitioners in Barcelona? Drawing on in-depth interviews conducted in 2016 with personnel working at four long-standing stations in Barcelona – Contrabanda FM, Radio Bronca, Radio Linea IV and Radio RSK – this commentary outlines some of the context and impetus for their activities. Frequently showcasing punk heritage music these stations play a wide range of genres and styles from jazz to electronic music, often relying on copyleft licenses and under-the-radar musicians to fill their schedules. Core values of practitioners involved include a belief in the value of non-profit radio as a space for articulating a plethora of views disseminated through a wide array of divergent and non-mainstream music.

中文翻译：

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看不见的革命：巴塞罗那的免费电台音乐节目

音乐在免费广播中起着核心作用，但是是什么促使巴塞罗那的无偿免费广播音乐节目从业者呢？根据2016年对巴塞罗那四个老电台的工作人员进行的深度访谈，这些电台分别是Contrabanda FM，Bronca电台，Linea IV电台和RSK电台-此评论概述了其活动的一些背景和动力。这些电台经常播放朋克传统音乐，演奏从爵士音乐到电子音乐的多种流派和风格，通常依靠版权左派许可和雷达下的音乐家来安排演出时间表。所涉从业人员的核心价值观包括对非营利电台价值的一种信念，即通过各种不同的和非主流的音乐表达出大量观点的空间。