Eight originals from 67 to 140 BPM
The Fragile Hours groups 39:15 of Phaeleh material for Undertow, with every piece identified as an Original Mix and classified as Dance / Pop. “Nightfall” opens the sequence at 7:42, 81 BPM and A major; it is the longest duration. “Tilt” cuts the running time to 4:20, moves to 102 BPM and C minor. “Incendere” compresses the format further: 2:53, 67 BPM and G minor, the release's lowest duration and BPM figures.
The listing changes scale with “Dialogue”. At 5:08, B-flat minor and 125 BPM, it occupies a middle point before “Sanctum”, which returns to 84 BPM, C minor and 3:32. Those first five entries do not describe a continuous rise in BPM: they alternate 81, 102, 67, 125 and 84. The relationship is expressed through concrete duration and key data, without the provided tags defining an additional subgenre within the set.
The second half concentrates the higher values. “Back to Life”, the only shared credit with Devin Renee, is listed at 138 BPM, A major and 5:37. “Homecoming” falls to 132 BPM, E major and 4:55. “Aurora” closes at 140 BPM and E major, with a 5:08 running time. That final duration exactly matches “Dialogue”, although the two titles are separated by 15 BPM and different keys.
The key distribution forms another map. A major appears in “Nightfall” and “Back to Life”; E major in “Homecoming” and “Aurora”; C minor in “Tilt” and “Sanctum”. G minor and B-flat minor occur once. Rather than relying on remixes or recurring guest artists, the title is structured through Phaeleh's central authorship, eight Original Mixes and one identified collaboration. Its technical span from 67 to 140 BPM lets each section be read as a specific position in the sequence.