Listen to Sincere (Short Version 2) B Side (feat. Simon Dylan"Ian"Xander Thunder) online. Sincere (Short Version 2) B Side (feat. Simon Dylan"Ian"Xander Thunder) is an English language song and is sung by Simon Thunder. Sincere (Short Version 2) B Side (feat. Simon Dylan"Ian"Xander Thunder), from the album B Sides, Long Versions & Studio Outtakes, was released in the year 2012. The duration of the song is 6:19. Download English songs online from JioSaavn.