Listen to Hard Focus - Study Music online. Hard Focus - Study Music is an Unknown language song and is sung by Shakuhachi Sakano. Hard Focus - Study Music, from the album Oriental Music - Chinese, Tibetan and Korean Traditional Asian Songs, Tibetan Singing Bowls, Shamisen & Shakuhachi Flute, was released in the year 2015. The duration of the song is 5:46. Download Unknown songs online from JioSaavn.