The word(s) "sing" appears 136 time(s) in 129 verse(s) in Quran in Abdullah Yusuf Ali translation.

(51) (Some) say they were three, the dog being the fourth among them; (others) say they were five, the dog being the sixth,- doubtfully guessing at the unknown; (yet others) say they were seven, the dog being the eighth. Say thou: "My Lord knoweth best their number; It is but few that know their (real case)." Enter not, therefore, into controversies concerning them, except on a matter that is clear, nor consult any of them about (the affair of) the Sleepers.

(52) As to those who believe and work righteousness, verily We shall not suffer to perish the reward of any who do a (single) righteous deed.

(53) Moses said: "Rebuke me not for forgetting, nor grieve me by raising difficulties in my case."

(54) Until, when he came to the rising of the sun, he found it rising on a people for whom We had provided no covering protection against the sun.

(55) And everyone of them will come to Him singly on the Day of Judgment.

(56) But how many (countless) generations before them have We destroyed? Canst thou find a single one of them (now) or hear (so much as) a whisper of them?

(57) Therefore be patient with what they say, and celebrate (constantly) the praises of thy Lord, before the rising of the sun, and before its setting; yea, celebrate them for part of the hours of the night, and at the sides of the day: that thou mayest have (spiritual) joy.

(58) Verily, this brotherhood of yours is a single brotherhood, and I am your Lord and Cherisher: therefore serve Me (and no other).

(59) And say: "O my Lord! enable me to disembark with thy blessing: for Thou art the Best to enable (us) to disembark."

(60) And verily this Brotherhood of yours is a single Brotherhood, and I am your Lord and Cherisher: therefore fear Me (and no other).