Keynote at Digital Music Lab workshop, British Library, March 13th 2015. The talk sets out to review digital humanities projects that show the use and re-use of data, and to use these examples to frame a debate about how DH approaches to working with data can test new methods and approaches to working in the humanities What does this mean for humanities research that use Big Data, and in return, what do the humanities have to offer the wider Big Data community through these approaches: what do the humanities, especially the digital humanities, bring to the big data party?