This paper presents a prototype system for adapting the bass guitar for one-handed musicians. We discuss existing solutions to accessible musical instruments, followed by the results of an online survey of bass guitarists, which informed the design of a prototype bass guitar adaptation. The adaptation comprises a foot-operated MIDI controller with a solenoid-actuated fretting mechanism, providing access to six frets across two strings of the bass. A study involving six bassists rehearsing and writing a bass guitar accompaniment with the adapted bass highlighted unexpected facets of bass guitar playing, and provided insights into the design of future accessible string instruments.

Designing musical instruments to make performance accessible to novice musicians is a goal which long predates digital technology. However, just in the space of the past 6 years, dozens of instrument designs have been introduced in various academic venues and in commercial crowdfunding campaigns. In this paper, we draw comparisons in design, evaluation and marketing across four domains: crowdfunding campaigns on Kickstarter and Indiegogo; the New Interfaces for Musical Expression (NIME) conference; conferences in human-computer interaction (HCI); and researchers creating accessible instruments for children and adults with disabilities. We observe striking differences in approach between commercial and academic projects, with less pronounced differences between each of the academic communities. The paper concludes with general reflections on the identity and purpose of instruments for novice musicians, with suggestions for future exploration.

Visually impaired and blind (VIB) people as a community face several access barriers when using technology. For users of specialist technology, such as digital audio workstations (DAWs), these access barriers become increasingly complex—often stemming from a vision-centric approach to user interface design. Haptic technologies may present opportunities to leverage the sense of touch to address these access barriers. In this article, we describe a participant study involving interviews with twenty VIB sound creatives who work with DAWs. Through a combination of semi-structured interviews and a thematic analysis of the interview data, we identify key issues relating to haptic audio and accessibility from the perspective of VIB sound creatives. We introduce the technical and practical barriers that VIB sound creatives encounter, which haptic technology may be capable of addressing. We also discuss the social and cultural aspects contributing to VIB people’s uptake of new technology and access to the music technology industry.

This paper explores ecological perspectives of human activity in the use of digital musical instruments and assistive technology. While such perspectives are relatively nascent in DMI design and evaluation, ecological frameworks have a long-standing foundation in occupational therapy and the design of assistive technology products and services. Informed by two case studies, the authors' critique, compare and marry concepts from each domain to guide future research into accessible music technology.The authors discover that ecological frameworks used by occupational therapists are helpful in describing the nature of individual impairment, disability and situated context. However, such frameworks seemingly flounder when attempting to describe the personal value of music-making.

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