Listen to Keep on Smiling - #1 online. Keep on Smiling - #1 is an Instrumental language song and is sung by 耳鳴り 専門医. Keep on Smiling - #1, from the album 耳鳴り 改善 - 質の良い睡眠, おとなの子守唄, was released in the year 2019. The duration of the song is 5:52. Download Instrumental songs online from JioSaavn.