Rain-on-roof sound

• Sound of quick, light steps
• Sound of rain on a roof
• Sound of falling hail
• "What would you like in your ___, ___?"
• Heartbeat sound
• Sound of rain on a window pane?
• Racing heart sound
• The sound of gentle rain

Wiktionary Word definitions in Wiktionary
adv. (alternative spelling of pit-a-pat English) n. (alternative spelling of pit-a-pat English) vb. (alternative spelling of pit-a-pat English)

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Pitapat \Pit"a*pat`\, adv. [An onomatopoetic reduplication of pat a light, quick blow.] In a flutter; with palpitation or quick succession of beats. --Lowell. ``The fox's heart went pitapat.'' --L'Estrange.