Listen to A Barista's Oasis online. A Barista's Oasis is an Instrumental language song and is sung by Bitter Sweet Jazz Band. A Barista's Oasis, from the album Mellow Jazz Nappy Moods:まったりお昼寝BGM - Tasty and Sweet, was released in the year 2022. The duration of the song is 1:33. Download Instrumental songs online from JioSaavn.