Yes, with caveats. A few sources are legitimate:
Gillock’s music is not rare. It’s not out-of-print. It’s not abandonware. It is actively marketed and sold by reputable publishers. When you search for "william gillock pdf" hoping for a free bootleg, you’re essentially saying that a composer’s life work—and the editors who preserve it—are worth nothing. william gillock pdf
Firstly, there is the issue of immediacy. A piano teacher in a studio setting may realize mid-lesson that a student needs a piece in a specific style—perhaps a lyrical waltz to work on rubato. Rather than ordering a book and waiting days for delivery, the digital marketplace allows for the instant purchase and printing of a Gillock piece. This "on-demand" culture has revolutionized the pace of pedagogy. Yes, with caveats
Gillock is frequently called the due to his extraordinary gift for melody. His music is celebrated for several key reasons: It’s not abandonware