Fics like Three-Part Harmony

Kathy and Cos are already the best things in Don's life. He's delighted when they grow a little closer.

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1. kismet - kiss me (Singin' in the Rain (1952))
2. Or, What You Will by ryfkah (Singin' in the Rain (1952))
3. Lunch is for Ladies by Fabrisse (Singin' in the Rain (1952))
4. Let's Do the Same as They by halotolerant (Singin' in the Rain (1952), Captain America (Movies))
5. Full House by Parhelion (Singin' in the Rain (1952))
6. You're a good man, Cosmo Brown by 20thcenturyvole (Singin' in the Rain (1952))
7. Kiss Us If You Miss Us by HugeAlienPie (Singin' in the Rain (1952))
8. picture stars on parade by tigrrmilk (Singin' in the Rain (1952))
9. Speak what we feel (not what we ought to say) by id_ten_it (Singin' in the Rain (1952))
10. Who Could Ask For Anything More by nahnahnahnah (Singin' in the Rain (1952))
11. Silly Love Songs by athousandwinds (Singin' in the Rain (1952))
12. All Bets Are Off by Carmilla (Singin' in the Rain (1952))
13. Ready for Love by idiopathicsmile (Singin' in the Rain (1952))
14. Grist for the Rumor Mill by Omorka (Singin' in the Rain (1952))
15. Working Honeymoon by tigrrmilk (Singin' in the Rain (1952))
16. lucky star by sunsetpanic (Teen Wolf (TV), Singin' in the Rain (1952))
17. To The Stars by Beatrice_Otter (Singin' in the Rain (1952))
18. Interlude by onekisstotakewithme (Singin' in the Rain (1952))
19. You're the Cream in My Coffee by cimorene (Singin' in the Rain (1952))
20. Cosmo's Symphony by onekisstotakewithme (Singin' in the Rain (1952))