The steps for mind mapping the music class songs are as follows:

1. Determine the theme: Clarify the theme of the mind map you want to draw, which is the songs of Wahaha music class.

2. Create the backbone: In the center of the mind map, write "Songs from Wahaha Music Class" as the theme.

3. Add branches: Based on memory or consulted information, add each song in Wahaha Music Class as a sub-topic to the left side of the mind map. For example, you can write ""Wahaha"" and so on.