I use this often at work to focus and screen out external sounds. Unlike some more assertive and pricey MP3 tracks that Ive tried, this music never bores me or becomes irritating.
I wish they would add a 60 and 120 minute option to the duration choices bar.
The "Relax and Rest" app from the same developers is one of the best guided relaxation resources that Ive found. Gets me to sleep no matter how wound up I may be.
neomar about Attunement, v3.0