A paper describing the infrastructure of the Digital Music Lab framework has been published at the ACM Journal on Computing and Cultural Heritage (JOCCH). The paper is entitled “The Digital Music Lab: A Big Data Infrastructure for Digital Musicology” and can be viewed by following the below link:
http://dl.acm.org/citation.cfm?id=2983918

A postprint version is also available to download at:
https://qmro.qmul.ac.uk/xmlui/handle/123456789/15701