Tibi PuiuA folksy sound, classic guitar strings, catchy hooks and a feel good vibe that could turn even the most depressed individual into an incurable optimist – this is Shugo Tokumaru’s music. The talented Japanese singer/songwriter so far has three albums under his belt – “Night Piece” (2004),” L.S.T” (2005) and Exit (2007) with a fourth one slated for a Japan release on April 21st, called “Port Entropy.” I first came into contact with his jovial…