What are some good songs by Koan, please.

Gao An - In the heart from now on there will always be a you, Gao An - whether I am also in your heart, Gao An - no meaning without you, Gao An - crying love, Gao An - love wine, Gao An - a lifetime to wait for, Gao An & Hang Jiao - a lifetime of no regrets, Gao An - Red Dust Love Songs 2012, Gao An - Pin Nostalgia, Gao An & Sona - love fairy tale electro-acoustic version, Gao An - thank you mom, Gao An & Yan Fei'er - The Same Home, Gao An - Love Notes, Gao An - Long Live Love, Gao An - Brother and Sister Love Affair, Gao An - Thinking of You, Still Putting You at Ease, Gao An - Liang Zhu Complaints, Gao An - You in a Faraway Place, Gao An - You Give Love Back to Me, Gao An - It's Wrong of Me, Gao An - I'm Sorry for Letting You Be Sad, Gao An - Love is Forever, Gao An & Xidan Girl - I Don't Grow Old Without You, Gao An - Sigh Love Song, Gao An Sigh Love Song, Gao An - Don't Forget You, Gao An - Happiness Waiting for You, Gao An - Open the Door to See the Joy, Gao An - China Stage, Gao An & Nalan Zhuer - Flowers on the Bridge, Gao An & Zheng Lili - You're the Most Difficult Person for Me to Let Go of, Gao An & Ma RuiLa - Seeing the Old Lover Again, Gao An - Girl Don't Go, Gao An & Shijia - The Hobbies of this Life are Good to Grasp, Gao An - Bye Bye Love, Gao An I'm looking for you, Gao An &Guo Ling-I can't forget you, Gao An &May One Zhang-I'm in love with you in this life, Gao An-Blame me, Gao An &Nalan Zhuer-Fish and water memories, Gao An &Li Zhiqiang-Time in a blink of an eye, Gao An &Guo Ling-Only beautiful, Gao An &Guo Ling-Song of love, Gao An &Cao Lei-I am not a high-flying handsome, Gao An & Szeto Lanfang- Amorous and Hurtful Farewell, Gao An- Thinking of you is always sweet, Gao An- Trapped for you, Gao An- What to thank you for, Gao An & Watermelon Girl- Antidote to Poison, Gao An- Dreams of you all around, Gao An&Yun Feifei - Dreaming of Drunken Lotus Ponds, Gao An- The King of Love Songs, Gao An&Shu Xin- Always in love with you, Gao An- You're my Happiness, Gao An- Happiness Protagonist, Gao An- Happiness Protagonist, Gao An- Thanks for Meeting You, Gao An- Thanks for Meeting You, Gao An- Happiness Protagonist, Gao An- Happiness Protagonist. Gao An-Thanks for meeting you, Gao An-The Immortal in Wine