The recommended songs are as follows:

1. "A Little Sweet" by Wang Sulong and By2: "A Little Sweet" was released in 2012. It was written and composed by Wang Sulong and collaborated with the twin group By2. This song is also an interlude in the TV series "A Little Smile Is Alluring". It has a very brisk melody and the song is really a bit sweet as its name suggests.

2. "Dimple" JJ Lin and Charlene Choi: "Dimple" was released in 2008, with music composed by JJ Lin and lyrics written by Wang Yajun. An interlude in the TV series "Love Wakes Up". This song was sung by JJ Lin alone in the early days. Later, a female voice was added to make the song sound warmer and sweeter. It is a song that is very popular.

3. "Together" Hu Yanbin and Zhong Xintong: "Together" was released in 2012. It was written and composed by Hu Yanbin and sung by Zhong Xintong. This song sings the true meaning of love with a relaxed melody and straightforward lyrics: "There is a person who you can't say is good about him, but no one can replace him."

4. "Love is Beautiful" Liu Jia and Sara: "Love is Beautiful" was released in 2011. It was composed by Liu Jia and lyrics by Wang Yunyun. Liu Jia and Sara's voices matched well, and they sang this song with a warm and sweet feeling. Liu Jia has also composed songs such as "Love" and "Youth Training Manual" for Tfboys.

5. "Discovering Love" JJ Lin and Jin Sha: "Discovering Love" was released on Valentine's Day in 2007, with music by JJ Lin and lyrics by Lin Yifeng. Jin Sha's voice is sweet, and the song she sang with JJ Lin will give people a sweet and happy feeling.

6. "Love a Little" Wang Leehom and Zhang Ziyi: The original singer of the song "Love a Little" is Mo Yanlin. It was released in 2007 and was also written and composed by Mo Yanlin. It was later adapted and used as the theme song for the movie "Very Lucky". It was through this song that I discovered that Zhang Ziyi's voice is quite pleasant.

7. "Brave Love" Mi2: "Brave Love" was released in 2015, with lyrics and music composed by Zhang Muyi. The voices of both people are very delicate, making the song sound smooth, but personally I feel that the melody of this song is a bit like "Stay with Me" by Aoyama Delma.

8. "Today You Will Marry Me" Tao Zhe and Jolin Tsai: "Today You Will Marry Me" was released in 2006. It was composed by Tao Zhe and wrote lyrics with Wawa. The music has a folk melody added to it. The overall rhythm is bright and not difficult to sing. It is one of the commonly used songs at weddings.

9. "Windblown Summer" JJ Lin and Jin Sha: "Windblown Summer" was released on April Fool's Day in 2005. The lyrics and music were both composed by JJ Lin. The lyrics are beautifully written and the melody is very romantic. It is a song that can bring back many memories.

10. "You are a song in my heart" Wang Leehom and Ren Jiaxuan: "You are a song in my heart" was released in 2007. It was composed by Wang Leehom and written by Ding Xiaowen. In this song, Leehom Wang has a very gentle voice, while Selina has her usual sweet voice. A few words in Hokkien are also added to the song, making the whole song feel more intimate.

Female singer recommendations:

1. Yang Yuying: When Yang Yuying was young, she was really beautiful and sweet, and she fascinated countless boys and girls. The song "Let Me Tell You Gently" she sang back then sounds very sweet now.

2. Li Lingyu: Li Lingyu is a Yue opera actor, and her voice condition is very good. Back then, she was called the "Queen of Sweet Songs." At that time, her "Tian Tian Tian" tape album sales exceeded 8 million. From 1987 to 1992, he recorded 88 solo albums including "Sweet Song Queen" and "Sweet Girl". The episode "Tianzhu Girl" in "Journey to the West" was sung by her, and it was very nice.