this is group seulawat badar boarding school salfiyah Darul Ulum Air Pacah Padang, West Sumatra, they are singing a badar serulawat.
Sulawat Badar is a singing that tells the history of the war of Badr between Muhammad's army and the Meccan polytheists, the war of warar itself there are two, there is war Badar Sugra and Badar Kubra. also seulawat badar contains prayer and praise to the army of badar.
the santri often sang this song at the celebration of the birthday of the Prophet Muhammad, they often sang in groups,

Here is the reading of shalawat badar:

بسم الله الرحمن الرحيم
٭٭٭
صَـلا َةُ اللهِ سَـلا َمُ اللهِ عَـلَى طـهَ رَسُـوْلِ اللهِ
صَـلا َةُ اللهِ سَـلا َمُ اللهِ عَـلَى يـس حَبِيْـبِ اللهِ
تَوَ سَـلْنَا بِـبِـسْـمِ اللّهِ وَبِالْـهَادِى رَسُـوْلِ اللهِ
وَ كُــلِّ مُجَـا هِـدِ لِلّهِ بِاَهْـلِ الْبَـدْ رِ يـَا اَللهُ
اِلهِـى سَـلِّـمِ اْلا ُمـَّة مِـنَ اْلافـَاتِ وَالنِّـقْـمَةَ
وَمِنْ هَـمٍ وَمِنْ غُـمَّـةٍ بِاَ هْـلِ الْبَـدْ رِ يـَا اَللهُ
اِلهِى نَجِّـنَا وَاكْـشِـفْ جَـمِيْعَ اَذِ يـَّةٍ وَا صْرِفْ
مَـكَائـدَ الْعِـدَا وَالْطُـفْ بِاَ هْـلِ الْبَـدْ رِ يـَا اَللهُ
اِلهِـى نَـفِّـسِ الْـكُـرَبَا مِنَ الْعَـاصِيْـنَ وَالْعَطْـبَا
وَ كُـلِّ بـَلِـيَّـةٍ وَوَبـَا بِا َهْـلِ الْبَـدْ رِ يـَا اَللهُ
فَكَــمْ مِنْ رَحْمَةٍ حَصَلَتْ وَكَــمْ مِنْ ذِلَّـةٍ فَصَلَتْ
وَكَـمْ مِنْ نِعْمـَةٍ وَصَلَـتْ بِا َهْـلِ الْبَـدْ رِ يـَا اَللهُ
وَ كَـمْ اَغْـنَيْتَ ذَالْعُـمْرِ وَكَـمْ اَوْلَيْـتَ ذَاالْفَـقْـرِ
وَكَـمْ عَافَـيـْتَ ذِاالْـوِذْرِ بِاَ هْـلِ الْبَـدْ رِ يـَا اَللهُ
لَـقَدْ ضَاقَتْ عَلَى الْقَـلْـبِ جَمِـيْعُ اْلاَرْضِ مَعْ رَحْبِ
فَانْـجِ مِنَ الْبَلاَ الصَّعْـبِ بِا َهْـلِ الْبَـدْ رِ يـَا اَللهُ
ا َتَيـْنَا طَـالِـبِى الرِّفْـقِ وَجُـلِّ الْخَـيْرِ وَالسَّـعْدِ
فَوَ سِّـعْ مِنْحَـةَ اْلاَيـْدِىْ بِاَ هْـلِ الْبَـدْ رِ يـَا اَللهُ
فَـلاَ تَرْدُدْ مَـعَ الْخَـيـْبَةْ بَلِ اجْعَلْـنَاعَلَى الطَّيْبـَةْ
اَيـَا ذَاالْعِـزِّ وَالْهَـيـْبَةْ بِاَ هْـلِ الْبَـدْ رِ يـَا اَللهُ
وَ اِنْ تَرْدُدْ فَـمَنْ نَأْتـِىْ بِـنَيـْلِ جَمِيـْعِ حَاجَا تِى
اَيـَا جَـالِى الْمُـلِـمـَّاتِ بِاَ هْـلِ الْبَـدْ رِ يـَا اَللهُ
اِلهِـى اغْفِـرِ وَاَ كْرِ مْنَـا بِـنَيـْلِ مـَطَا لِبٍ مِنَّا
وَ دَفْـعِ مَسَـاءَةٍ عَـنَّا بِاَ هْـلِ الْبَـدْ رِ يـَا اَللهُ
اِلهِـى اَنـْتَ ذُوْ لُطْـفٍ وَذُوْ فَـضْلٍ وَذُوْ عَطْـفٍ
وَكَـمْ مِنْ كُـرْبـَةٍ تَنـْفِىْ بِاَ هْـلِ الْبَـدْ رِ يـَا اَللهُ
وَصَلِّ عَـلَى النـَّبِىِّ الْبَـرِّ بـِلاَ عَـدٍّ وَلاَ حَـصْـرِ
وَالِ سَـادَةٍ غُــــرِّ بِاَ هْـلِ الْبَـدْ رِ يـَا اَللهُ

Meaning of Badr Shalawat or Shalawat Badriyah:

God's grace and salvation,
May it remain for the Prophet Thaaha messenger of Allah,
God's grace and salvation,
May it remain for Prophet Yasin lovers of God '

We take the blessings of "Basmalah",
And with the Prophet who again relates the messenger of Allah,
And all the people who give up because of Allah,
For the blessing of Allah's good friend.

O God, may You save the ummah,
From disaster and torture,
And from the hard and the seizure,
For the blessings of Allah's best friend '

O Lord, may You save us from all that hurts,
And may You (God) put away the deceit and power of the enemies,
And may You love us,
because of the blessings of the Companions of Badar Ya Allah.

O God, may You remove some trouble
Of the people who berma'siat and all the damage,
And may You touch all disasters and plagues'
For the blessings of the experts of Badr, O Allah

So have some graces that have been successful,
And already some of the humiliation is eliminated,
And already many of the ni'mgt have arrived,
For the blessings of the Badar master sahabal Allah '

How many thou thou (God) gave the wealth of the prosperous,
And how much Thou hast (Allah) bestowed upon the pauper,
And how many times did You (God) forgive the sinner,
For the blessings of the experts of Badr, O Allah.

Indeed, the heart of man is narrow on this vast land;
because banyakhya horrible dangers,
And a devastating catastrophe,
may Allah save us from a terrible disaster,
For the blessings of the experts of Badr, O Allah. '

We came by asking for help
And begging the good and the good
May Allah grant abundant grace (keni'matan).
From the cause of the blessing of the Badar master of Allah.

So Thou art (God) reject us to be a great loss,
Even make us good deeds, and always be happy.
O Dhat who has greatness (victory) and Prabawa,
With the cause of the blessings of Badar's friend of God.

If You (God) are forced to reject the servant, then to whom
we will come please by getting all our intentions;
O Dhat who takes away some of the world's disasters and
Hereafter, eliminate the servile disasters
because of the blessing of Badar's friend of God.

O God, may You forgive us and glorify
our self, with the results of some of our permahonan, and
reject the ugliness of us,
With the blessing of the expert friend of Badr Allah.

O God, thou art merciful,
and have virtue (grace) again affection,
There has been much trouble lost,
From the cause of the blessings of Badar's friend of God.

And may You (Allah) bestow grace upon the Prophet who always devoted to Him,
with countless blessings of grace and salvation,
And may it remain upon the families of the Prophet and the Sayyids who shine their light,
for the blessing of the friend of the Badr man of Allah.