A track created for the official underfell fangame. made by sanes. enjoy. 
Support their game jolt page too! gamejolt.com/games/tse-underfell-official/249907

[Underfell AU] There's Thunder Somewhere Else

𝙵 - 𝙵𝚊𝚕𝚕𝚒𝚗𝚐 𝙰𝚙𝚊𝚛𝚝/𝙵𝚞𝚌𝚔𝚎𝚍 𝚄𝚙
𝙸 - 𝙸𝚗𝚜𝚎𝚌𝚞𝚛𝚎
𝙽 - 𝙽𝚞𝚖𝚋 𝙵𝚛𝚘𝚖 𝙴𝚟𝚎𝚛𝚢𝚝𝚑𝚒𝚗𝚐
𝙴 - 𝙴𝚖𝚘𝚝𝚒𝚘𝚗𝚊𝚕𝚕𝚢 𝚞𝚗𝚜𝚝𝚊𝚋𝚕𝚎
Go check out my friend! : https://soundcloud.com/gothy_mushroom?utm_source=clipboard&utm_medium=text&utm_campaign=social_sharing

[Underfell AU] There's Thunder Somewhere Else

Sonic, Mario and co.