Marvin's Marvelous Mechanical Museum is the debut studio album by American rock band Tally Hall, originally released on October 24, 2005.

The music video for "Good Day" was first shown at Tally Hall's two Ann Arbor concerts on September 23, 2006.

"Good Day" was written by Andrew Horowitz and won a prize of $10,000 with the 2004 BMI John Lennon Scholarship for "the best and brightest young songwriters between the ages of 15 and 24".

[9] This version of "Good Day" was later featured as a new hidden track on the pregap of the Needlejuice Records CD rerelease of Marvin's Marvelous Mechanical Museum.

[10][11] All tracks are written by Rob Cantor, Joe Hawley, Andrew Horowitz, and Zubin Sedghi (respectively, as denoted)