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* Section 1
** Slide 1
*** Step 1                                                        :B_onlyenv:
:PROPERTIES:
:BEAMER_ACT: <+>
:BEAMER_env: onlyenv
:END:
**** Foo
- a
- b

**** Step 1 note                                                     :B_note:
:PROPERTIES:
:BEAMER_env: note
:BEAMER_ACT: <.>
:END:
- qux

*** Step 2                                                        :B_onlyenv:
:PROPERTIES:
:BEAMER_ACT: <+>
:BEAMER_env: onlyenv
:END:
**** Bar
- c
- d

**** Step 2 note                                                     :B_note:
:PROPERTIES:
:BEAMER_env: note
:BEAMER_ACT: <.>
:END:
- qux

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