The M’s in Russian Dolls’ packages – including the letterman jacket – are a nod to Hanson’s song, “MMMBop”
The Weird Al clue is a nod to Weird Al’s famous cameo in Hanson’s “Thinking ‘Bout Somethin'” music video
The puppet strings and banjo strings in Russian Dolls’ packages are a clue to Hanson’s orchestral album, ‘String Theory’
Abraham Lincoln in the Russian Dolls’ packages is a clue to Zac’s son Abraham as well as the group’s popular song ‘Penny & Me’