Is the song 'Mama' on the Genesis concert DVD "The Way We Walk"?

Answer 1

No. Here's the tracklisting:

Disk 1
1. Land Of Confusion
2. No Son of Mine
3. Driving The Last Spike
4. Old Medley (A collection of 8 older Genesis songs: (Dance On A Volcano, Lamb Lies Down On Broadway, The Music Box, Firth of Fifth, I Know What I Like, That's All, Illegal Alien, Follow You, Follow Me)
5. Fading Lights
6. Jesus He Knows Me

Disk 2
1. Dreaming While You Sleep
2. Home By The Sea
3. Hold On My Heart
4. Domino
5. The Drum Thing
6. I Can’t Dance
7. Tonight, Tonight, Tonight
8. Invisible Touch
9. Turn It On Again