By Olivia B. Waxman
October 9, 2015

TV and Broadway actor Neil Patrick Harris shared a video on Facebook of his adorable twins singing — and the clip has racked up more than 1.1 million views since it was posted Thursday morning.

In the clip, his son, Gideon, hums the theme to Star Wars and mistakenly calls Facebook “Book Face,” while his daughter, Harper, sings “Good Morning” from Singin’ in the Rain. Harris’s husband David Burtka also makes a brief appearance. The only downside is that the How I Met Your Mother star does not sing himself.

[facebook url="https://www.facebook.com/nph/videos/1619890411610680/" /]

Write to Olivia B. Waxman at olivia.waxman@time.com.

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