It's Spike and Fluttershy's Chilldren :3

Base-
https://www.deviantart.com/dreamybae/art/MLP-Base-10-628320449

DeviantArt-
https://www.deviantart.com/beikiart/art/Mlp-Base-10-By-Daydreamerbases-dae335t-774445359?ga_submit_new=10%3A1543392732

Song-
1. Fly Away