Import your audio and select > Normal ; increase it above 1.0x (or lower to 0.8x for a "Slowed + Reverb" version).
Tap > Reverb and choose presets like "Echo Hall" or "Dream Space". Audacity (Desktop) : Use the Change Speed effect to increase the tempo. Otilia Bilionera Sped Up Reverb
If you want to apply this specific effect to "Bilionera" or any other song, you can use several free tools: : Import the song into a new project. Import your audio and select > Normal ; increase it above 1
"Otilia - Bilionera" in its form is a popular audio edit frequently used for TikTok reels, travel edits, and aesthetic "attitude" content. This version transforms the original 2014 Romanian pop-dance hit into a faster, more atmospheric track with a distinctive "dreamy" or "spacey" quality. Overview of the Trend If you want to apply this specific effect
: While originally released in 2014, "Bilionera" saw a massive viral peak between 2020 and 2022 on TikTok and Instagram, particularly for dance reels and slow-motion videos.