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    <p>Dear David and everybody,</p>
    <p>you may wish to complete the perspective by subtractive songs. I
      know of one German folk song of this kind:</p>
    <p><a class="moz-txt-link-freetext" href="https://de.wikipedia.org/wiki/Auf_der_Mauer,_auf_der_Lauer">https://de.wikipedia.org/wiki/Auf_der_Mauer,_auf_der_Lauer</a></p>
    <p>Youtube presents a set of performances.</p>
    <p>Best,</p>
    <p>Christian</p>
    <div class="moz-signature">-- <br>
      <p style="font-size:90%">Prof. em. Dr. Christian Lehmann<br>
        Rudolfstr. 4<br>
        99092 Erfurt<br>
        <span style="font-variant:small-caps">Deutschland</span></p>
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            <td>Tel.:</td>
            <td>+49/361/2113417</td>
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            <td>E-Post:</td>
            <td><a class="moz-txt-link-abbreviated" href="mailto:christianw_lehmann@arcor.de">christianw_lehmann@arcor.de</a></td>
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            <td>Web:</td>
            <td><a class="moz-txt-link-freetext" href="https://www.christianlehmann.eu">https://www.christianlehmann.eu</a></td>
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