The mention of "2015" in the filename could refer to the year the compilation was released or created. The FLAC format indicates that the collection is intended for audiophiles who prioritize sound quality.

. While some suggest a two-disc set would have offered a more "complete" picture, this single-disc version is widely considered the best starting point for new listeners and a necessary upgrade for longtime fans due to the remastered audio quality. PopMatters or a comparison to her earlier 2001 Collection Discography - Tracy Chapman

: Includes a previously unreleased live recording of "Stand By Me" from the final season of the Late Show with David Letterman in April 2015.

Recent tracks like "Change" and "You're The One" gain a "remarkable enrichment," making the lossless FLAC format ideal for hearing these subtle textural improvements. Production: Critics from American Songwriter

Tracy Chapman’s music relies heavily on the interplay between two elements: a resonant acoustic guitar and a contralto voice that shifts effortlessly between a whisper and a roar. In standard MP3 compression, the "inaudible" frequencies are truncated, often flattening the spatial depth of a recording.