Meaning: Evan Parker, a renowned British saxophonist and pioneer of free improvisation, offers a thought-provoking insight into his approach to solo playing in this quote. He suggests that his solo playing style has been developed as a means of testing the limits of certain musical elements within the context of free improvisation. This quote sheds light on Parker's innovative and experimental approach to music, as well as his deep engagement with the theory and practice of improvisation.

Parker's reference to "aspects of my solo playing" indicates that he has developed specific techniques and approaches that are unique to his solo performances. This speaks to the depth of his musical exploration and the development of a personal musical language that is distinct to his improvisational style. By highlighting the connection between his solo playing and the testing of musical elements, Parker reveals his dedication to pushing the boundaries of improvisation and expanding the possibilities of expression within this context.

The phrase "test the theory about how long particular elements could be" provides insight into Parker's experimental mindset. It suggests that he is interested in exploring the duration and endurance of specific musical elements within his improvisations. This experimental approach aligns with the ethos of free improvisation, which emphasizes spontaneity, exploration, and the breaking of traditional musical boundaries. Parker's willingness to challenge established norms and theories within the context of improvisation demonstrates his commitment to expanding the sonic and expressive potential of his performances.

The reference to "so-called free improvisations" is significant as it acknowledges the broader context within which Parker operates. Free improvisation is a genre of music that prioritizes creative freedom, collective interaction, and the rejection of pre-determined structures or compositions. By using the term "so-called," Parker subtly acknowledges the fluid and indefinable nature of this musical approach, highlighting that the term "free improvisation" may not fully encapsulate the depth and complexity of the music created within this genre.

Parker's quote offers a glimpse into the mindset of an artist who is deeply engaged with the theoretical and practical dimensions of improvisation. His emphasis on testing theories and pushing the boundaries of musical elements reflects a commitment to ongoing exploration and innovation within his solo performances. Furthermore, the quote underscores Parker's position as a leading figure in the world of free improvisation, where his work continues to inspire and challenge musicians and audiences alike.

In conclusion, Evan Parker's quote encapsulates his experimental and innovative approach to solo playing within the context of free improvisation. His focus on testing musical elements and pushing the boundaries of duration and expression reflects a dedication to ongoing exploration and creative discovery. By delving into the theoretical and practical dimensions of improvisation, Parker's quote offers valuable insight into his artistic process and the evolving landscape of free improvisation as a genre.