Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Hej Matematik discography
Table title:
Singles
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Title </th><th colspan=1 rowspan=2 > Year </th><th colspan=1 rowspan=1 > Peak position </th><th colspan=1 rowspan=2 > Certification </th><th colspan=1 rowspan=2 > Album </th></tr>
<tr> <th colspan=1 rowspan=1 > DEN </th></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > "Gymnastik" </th><td class="highlighted"  colspan=1 rowspan=2 > 2007 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=3 > Vi burde ses noget mere </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > "Centerpubben" </th><td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > "Du & jeg" </th><td class="highlighted"  colspan=1 rowspan=2 > 2008 </td><td colspan=1 rowspan=1 > 32 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > "Walkmand" (Studio/Live Version) </th><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 2× Platinum </td><td colspan=1 rowspan=1 > Vi burde ses noget mere (Special Edition) </td></tr>
<tr> <th colspan=1 rowspan=1 > "Party i provinsen" </th><td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > Platinum </td><td colspan=1 rowspan=3 > Alt går op i 6 </td></tr>
<tr> <th colspan=1 rowspan=1 > "Legendebørn" </th><td colspan=1 rowspan=2 > 2010 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > "Maskinerne" (Kato Remix) (Released as "Kato På Maskinerne") </th><td colspan=1 rowspan=1 > 38 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > "Livet i plastik" </th><td colspan=1 rowspan=2 > 2012 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=2 > Hej lights 2012 </td></tr>
<tr> <th colspan=1 rowspan=1 > "Sikke en fest (Så da bas)" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > "Ik ordinær" (featuring Jesper Binzer) </th><td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=3 > Selvfed </td></tr>
<tr> <th colspan=1 rowspan=1 > "Cykler uden hænder" </th><td colspan=1 rowspan=2 > 2015 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > "København" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=7 rowspan=1 > "—" denotes single that did not chart or was not released. </td></tr>
</table>
Question:
When and what were the titles of the first two singles released off Hej Matematik's Vi burde ses noget mere album?
Answer:
Hej Matematik released their debut album Vi burde ses noget mere in 2008, preceded by the two single releases "Gymnastik" and "Centerpubben" in 2007.