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      "Chopin, Nocturne in D-Flat Major"
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    "en": [
      "This Nocturne was composed in 1835 and is dedicated to Mme. la Comtesse d'Appony. The work alternates between two main ideas (A B A B A B + Coda). The first of these ideas always returns in the tonic with only slight modifications, (suggesting a rondo theme), while the second idea is developmental, moving through several keys. One might interpret the organization of this Nocturne as a rondo, or alternatively as strophic (A A' A'' Coda), in which each strophe consists of two parts (A and B)."
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      "type": "Range",
      "label": {
        "en": [
          "Coda"
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      "summary": {
        "en": [
          "A series of delicate descending leaps in the coda provide a counterbalance to the ascending leaps which characterize the Nocturne's A theme and the upward-striving gestures of the B theme. These chromatically descending gestures are presented over an unchanging tonic pedal tone. \n"
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        "en": [
          "B"
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      "summary": {
        "en": [
          "The B theme features continuous \"double-stops\" (often parallel thirds and sixths) rather than a single melodic line. "
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      },
      "items": [
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          "type": "Range",
          "label": {
            "en": [
              "b2"
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          "summary": {
            "en": [
              "The second part of the B theme presents \"con forza\" octave gestures in alternation with simple pianissimo turn figures. Harmonically, this section gradually settles into an Ab pedal, which allows a return of the A theme in Db major. "
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          "label": {
            "en": [
              "b1"
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          "summary": {
            "en": [
              "The B section begins in Bb minor, but the theme is repeated immediately in Eb minor. The theme becomes vigorously energetic as it progresses."
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    {
      "id": "id-1539276609013",
      "type": "Range",
      "label": {
        "en": [
          "B'"
        ]
      },
      "summary": {
        "en": [
          "Varied return of the B theme"
        ]
      },
      "items": [
        {
          "id": "id-1539276515179",
          "type": "Range",
          "label": {
            "en": [
              "b1'"
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          "summary": {
            "en": [
              "Here the B theme is restated in A major--a key shift that is quite striking (Db and A major are related by a tritone). Chopin connects the two key areas by reinterpreting Db as C#."
            ]
          },
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          "label": {
            "en": [
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          "summary": {
            "en": [
              "The melodic material of this transitional section derives from the repetition of an idea found at the tail-end of the A theme: a grace-note octave leap followed by its gradual descent. Simultaneously, a chromatic ascent begins in the bass, moving from G# to D# (respelled as Eb), which then falls to an Ab dominant in preparation for the return of the A theme in Db major. "
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      "type": "Range",
      "label": {
        "en": [
          "A"
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      "summary": {
        "en": [
          "The serenely simple violinistic A theme of this Nocturne hovers gently over a Db pedal and wide left-hand arpeggiations. "
        ]
      },
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      "label": {
        "en": [
          "A'"
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      "summary": {
        "en": [
          "The main rondo theme returns in Db major. It is only slightly embellished (with double-stop figuration), near the end of the theme. "
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        "en": [
          "B''"
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      "summary": {
        "en": [
          "B'': Varied return of the B theme. "
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          "type": "Range",
          "label": {
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          "summary": {
            "en": [
              "b1'': Here the B theme returns in Eb minor. "
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          "summary": {
            "en": [
              "This pivotal theme combines aspects of both the A and B ideas, beginning with the upper neighbor gesture of the B theme, but continuing with the pitches of the A theme (F-Eb-Db-F-Ab). A decisive harmonic shift leads to the home key, preparing a important point of arrival (the cadence which accompanies the completion of the work's Urlinie on the downbeat of measure 62)."
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        "en": [
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      "summary": {
        "en": [
          "This forte statement of the rondo theme begins similarly to the others (again in Db major). But after arriving on an unexpected Cb in its fourth"
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