Listen to A Series of Lulls online. A Series of Lulls is an Instrumental language song and is sung by Piano Cats. A Series of Lulls, from the album 仕事の疲れを癒すヒーリングジャズ - The Study of Study, was released in the year 2022. The duration of the song is 1:58. Download Instrumental songs online from JioSaavn.