Yakuza 4

This minigame is available at Karaokekan on Senryo Avenue, and is only available to Akiyama, Tanimura and Kiryu (Saejima’s too manly to sing). Each session lasts for 2 songs and costs 500 yen. The list of songs are:

• Maiden-Colored Life
• Machine Gun Kiss
• Pure Love in Kamurocho
• Raindrops
• GET to the Top!
• I Wanna Change Myself
• Kamurocho Lullaby
• Summer Memories
• Where Has Your Touch Gone?
• Saturday Night*Lover
• Shooting Star

Sing each song, using any character and the trophy will unlock. Singing with your date with a Hostess also counts towards this.

Keep in mind that Akiyama and Tanimura only have 2-3 songs they can sing; the rest of the songs are all selectable as Kiryu. That said, you won't be able to unlock this trophy until you play as Kiryu in Part 4.