Please could you discuss the issue of praying at holy sites like batey kvarot, maarat machpela, kever rachel etc. THANX

<p class="MsoNormal" style="text-align: left; line-height: normal; margin: 0in -26.2pt 10pt 0in;" align="left"><span style="color: black; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-fareast-language: EN-GB;" lang="EN-GB"><span style="font-size: small;"><span style="font-family: Times New Roman;">Is there any difference regarding the singing of Shalom Aleichem when a Yom Tov occurs on Shabbos?<span style="mso-spacerun: yes;">&nbsp; </span>According to &ldquo;Luach l&rsquo;Eretz Yisrael&rdquo; of Rav<span style="mso-spacerun: yes;">&nbsp; </span>Tukachinshi , one says it, including when Seder night or Rosh Hashanah occurs on Shabbos. &ldquo;Luach Dvar B&rsquo;ito&rdquo; writes that according to minhag Vishnitz when Yom Kippur occurs on Shabbos, Shalom Alecheim and some Shabbos zemiros are sung in the Shul.</span></span></span></p>