Premier cs4 Timeline effects

action

result

Drag and drop

overlay

Drag and drop + ctrl

insert (without saving timeline sequence)

Right click > repel delete

Arrange sequence after moving clip

Ctrl > select + Ctrl > drop

Insert clip (with saving timeline sequence)

Audio sync lock (off)

Save audio when Ctrl > select + Ctrl > drop

Audio sync lock (on)

Split  audio when Ctrl > select + Ctrl > drop

Ctrl +Alt  > select  + Ctrl +Alt >drop  (Audio sync lock (off\on)

Save sequence always

Lift button (program screen)

Deletes marked tracks ( space where clip was)

Extract button (program screen)

Set sequence with no space