is the series premiere of 13 Reasons Why , released on March 31, 2017. Directed by Tom McCarthy, the episode introduces the central mystery: why did high school student Hannah Baker take her own life?. Plot Summary
The episode follows Clay Jensen, a reserved student who receives a mysterious package containing seven cassette tapes recorded by his recently deceased classmate and crush, Hannah Baker. 13 Reasons Why Season 1 Episode 1 "Tape 1: Side A" Review
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/video_button_stills/vgl_23.jpg)
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/icons/video_button_play.svg){kind=icon}
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/video_button_stills/vgl_46.jpg)
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/video_button_stills/vgl_63.jpg)
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/video_button_stills/vgl_150.jpg)
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/icons/masterclass_outline.svg){kind=icon}
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/icons/dropdown_down.svg){kind=icon}
is the series premiere of 13 Reasons Why , released on March 31, 2017. Directed by Tom McCarthy, the episode introduces the central mystery: why did high school student Hannah Baker take her own life?. Plot Summary
The episode follows Clay Jensen, a reserved student who receives a mysterious package containing seven cassette tapes recorded by his recently deceased classmate and crush, Hannah Baker. 13 Reasons Why Season 1 Episode 1 "Tape 1: Side A" Review
Ligeti and mathematics
The renowned mathematician Heinz-Otto Peitgen talks about his friendship with György Ligeti, the composer's interest in mathematics and the discoveries of chaos theory.
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/icons/slider_close.svg){kind=icon}
First page of the autograph fair score of L’escalier du diable (Paul Sacher Foundation, Basel).
Copy of the autograph fair score of L'escalier du diable, with annotations by the composer, page 1 (detail), Paul Sacher Foundation, Basel. The inscription in the right-hand margin reads 'revised MS, this is authoritative'.
Copy of the autograph fair score of L'escalier du diable, with annotations by the composer, page 1 (detail), Paul Sacher Foundation, Basel. The inscription in the right-hand margin reads 'revised MS, this is authoritative'. [S1E1] Tape 1, Side A
Bar 7-2: György Ligeti: Étude 13, bar 7/2, left hand, 9th – 11th quaver (eighth note)
Bar 36-3: György Ligeti: Étude 13, bar 36/3, right hand, 9th – 12th quaver (eighth note) is the series premiere of 13 Reasons Why
Bar 41: György Ligeti: Étude 13, bar 41/1, left hand, 8th – 12th quaver (eighth note)
Copy of the autograph fair score of L’escalier du diable, with annotations by the composer, page 6 (detail), Paul Sacher Foundation, Basel. released on March 31
Bar 45-3: György Ligeti: Étude 13, bar 45/3, right hand, 11th – 12th quaver (eighth note)
Bar 46-1a: György Ligeti: Étude 13, bar 46/1, right hand, 3th – 4th quaver (eighth note)
Bar 46-1b: György Ligeti: Étude 13, bar 46/1, right hand, 5th – 7th quaver (eighth note)
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/ligeti/footer_link_blocks/etude_2_cordes_a_vide.jpg)
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/ligeti/footer_link_blocks/etude_8_fem.jpg)
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/ligeti/footer_link_blocks/etude_12_entrelacs.jpg)
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/ligeti/footer_link_blocks/musica_ricercata_1.jpg)
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/ligeti/footer_link_blocks/musica_ricercata_5.jpg)
![[S1E1] Tape 1, Side A](https://explorethescore.org/img/ligeti/footer_link_blocks/musica_ricercata_7.jpg)