In jail in Philippi what did kind of songs did Paul and Silas sing?

They sang praises to the Lord. Ie songs of praise

Source:

Acts 16:25

What does James advise us to do when we are merry(happy)?

James said those that are merry should sing Psalms.

Source:

James 5:13

What instrument did Asaph and his descendants play?

They played the cymbals. Others played the harp and psaltery(a stringed instrument). Also trumpets

Source:

1^st Chronicles 16:5, Ezra 3:10

How many songs did Solomon create?

Happy Birthday to my lovely Fiance.

Solomon created one thousand and five songs according to the Bible.

Source: 1^st Kings 4:32

Who is the figurative ancestor of those who play music?

Happy Independence day to USA readers.

Jubal the son of Lamech also grandson of Cain.

Source:

Genesis 4:21