Looking for lyrics. Turn on closed captions to sing along. Big thanks to all of our fans out there, big and small. Original lyrics and music by Sockeye Media LLC © 2015. All rights reserved. Lyrics:. Clickety-clack, clickety-clack,. What’s that coming down the track. |--| A freight train. |--| Freight train coming down the track,. Chugga chugga chugga. Clickety-clack, clickety-clack,. What’s that coming down the track. |--| A steam engine. Steam engine coming down the track,. Chugga chugga chugga. Clickety-clack, clickety-clack,. What’s that coming down the track. |--| A box car. |--| Box car coming down the track,. Chugga chugga chugga. Coming and going and rolling down the track. |--| Coming and going and rolling down the track. Clickety-clack, clickety-clack,. What’s that coming down the track. |--| A flat car. |--| Flat car coming down the track,. Chugga chugga chugga. Clickety-clack, clickety-clack,. What’s that coming down the track. |--| A tank car. |--| Tank car coming down the track,. Chugga chugga chugga. Clickety-clack, clickety-clack. What’s that coming down the track. |--| A caboose car. |--| Caboose car coming down the track,. Chugga chugga chugga. Coming and going and rolling down the track. |--| Coming and going and rolling down the track. Clickety-clack, clickety-clack,. What’s that coming down the track. |--| A freight train. |--| Freight train coming down the track,. Chugga chugga chugga. Freight train coming down the track,. Chugga chugga chugga. |--| Freight train coming down the track,. Chugga chugga chugga. |--| Freight train coming down the track,. Chugga chugga chugga..