execute if score vent_drop scenes matches 0 if entity @p[x=6,y=12,z=-30,distance=..1] run scoreboard players set vent_drop scenes 1

execute if score vent_drop scenes matches 1..8 as @e[tag=vent_drop] at @s run tp @s ~ ~-0.5 ~

execute if score vent_drop scenes matches 8 run playsound minecraft:block.anvil.land master @a 3 12 -30 1 0

execute if score vent_drop scenes matches 10 run playsound vent master @a 3 16 -30 1
execute if score vent_drop scenes matches 16 run playsound vent master @a 4 16 -30 1
execute if score vent_drop scenes matches 22 run playsound vent master @a 5 16 -30 1
execute if score vent_drop scenes matches 28 run playsound vent master @a 6 16 -30 1
execute if score vent_drop scenes matches 34 run playsound vent master @a 7 16 -30 1
execute if score vent_drop scenes matches 40 run playsound vent master @a 8 16 -30 0.8
execute if score vent_drop scenes matches 46 run playsound vent master @a 9 16 -30 0.8
execute if score vent_drop scenes matches 52 run playsound vent master @a 10 16 -30 0.6
execute if score vent_drop scenes matches 58 run playsound vent master @a 11 16 -30 0.5
execute if score vent_drop scenes matches 64 run playsound vent master @a 12 16 -30 0.2
execute if score vent_drop scenes matches 70 run playsound vent master @a 13 16 -30 0.2

execute if score vent_drop scenes matches 1..70 run scoreboard players add vent_drop scenes 1