Tap > Reverb and choose presets like "Echo Hall" or "Dream Space". Audacity (Desktop) : Use the Change Speed effect to increase the tempo.
"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 Otilia Bilionera Sped Up Reverb
Apply the effect, adjusting the "Wet Gain" to increase the strength of the echo. Tap > Reverb and choose presets like "Echo
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. Otilia Bilionera Sped Up Reverb