What is the best song for me to sing to send off my friend who is going to work abroad?

Farewell song recommendation:

"Those flowers" "I wish you a safe journey" Friends" "Don't worry to fly"

"Friends don't cry" "A lifetime with you" "Gardenia blossom"

"Memorial of youth" "Blessing" "Our Memorial"

"Ten years" "Youth has no regrets" "A smooth journey"

"Graduates" "Childhood Wishful Thinking

Meeting is a Song, Middle School Days, My Future is Not a Dream

Friends' First Day Cover, Youth, The Glass

Approximately in the Winter, Back to the Past, Loves the Wind and Dust

White Birch Forest, Friendship for a Long Time, Better Tomorrow

The Year of the White Clothes, Song of the LIXI. We're All Good Children

"Cherish" "Today We're Leaving" "Goodbye"

"It's Hard to Let Go" "True Heroes" "Butterfly Flowers"

"July" "Initial Dreams" "Season I Miss the Most"

"The Winter Campus" "The Embrace of Breaking Up" "A Tale of Light and Time"

"Sand in a Bottle" "The Forgotten Grass" "The Stars Still Splendid Still Splendid

"Graduation Song" "Olive Tree" "Shining Days"

"Parting Song" "Ping Gathering" "Let's Walk and Cherish"

"Farewell" "Goodbye to My Favorite Person" "In Another Country"

"Graduation" "Glorious Years" "The Rainy Season of Seventeen"

"Graduation" "Glorious Years"

"The Rainy Season of Seventeen"

"Graduation Song" "The Glorious Years"