... currently adds up to 40 tracks as follows:

1. Adagio for Strings, Barber
2. Believe, Yellow Card
3. Brothers in Arms, Dire Straights
4. Dignity, Deacon Blue
5. Don't Stop Me Now, Queen
6. Falling, Haim
7. Flapper Girl, The Lumineers
8. Gold, Spandau Ballet
9. Happy, Pharrel Williams
10. Heaven, Emily Sande
11. High, Lighthouse family
12. High Flying Bird, Elton John
13. I will survive, Gloria Gaynor
14. I'm gonna be (500 miles), The Proclaimers
15. I'm still standing, Elton John
16. It's a Long Way to the Top, AC/DC
17. Laura, Bat for Lashes
18. Lose yourself to the Dance, Daft Punk
19. Man! I feel like a woman, Shania Twain
20. Mr Music Master, Hoagy Carmichael
21. My Friend, Groove Armada
22. My love, Feat. Jess Glynne
23. Paranoid, Black Sabbath
24. Say Goodbye to Hollywood, Billy Joel
25. Siyahamba, Alexander L'Estrange
26. Step by Step, Whitney Houston
27. Summertime, Ella Fitzgerald
28. Sweet Caroline, Neil Diamond
29. Take me out, Franz Ferdinand
30. These Boots were made for Walking, Nancy Sinatra
31. Walk like an Egyptian, The Bangles
32. Walk of Life, Dire Straits
33. Walk on by, Dionne Warwick
34. Walking on Sunshine, Katrina and the Waves
35. Waterloo Sunset, The Kinks
36. We Built this City, Starship
37. When the going gets tough, Billy Ocean
38. When you're young and in love, Flying Pickets
39. Wind Beneath my Wings, Whitney Houston
40. You'll never walk alone, Jerry and the Pacemakers

Should anyone feel a desire to suggest a song (or other item), irrespective of whether you have or haven't sponsored me, feel free to add the title and artist/composer in a comment.

So far I've spent nearly £40 on downloads and raised about 40p via 'easy fundraising' for church too!