1 Chronicles 25:3

Of Jeduthun, the sons of Jeduthun: Gedaliah, Zeri, Jeshaiah, Heshabiah, and Mattithiah, six, under the hands of their father Jeduthun, who prophesied with the stringed instrument with thanksgiving and praise to Yahweh.

1 Chronicles 16:41-42

And with them [were] Heman and Jeduthun and the remainder of those chosen, who were designated by name to give thanks to Yahweh, for his loyal love [is] everlasting.

1 Chronicles 9:16

Obadiah the son of Shemaiah, son of Galal, son of Jeduthun; and Berechiah the son of Asa, son of Elkanah, who lived in the villages of Netophathite.

1 Chronicles 15:18

and with them their brothers [of] the second [rank], Zechariah the son, Jaaziel, Shemiramoth, Jehiel, Unni, Eliab, Benaiah, Maaseiah, Mattithiah, Eliphelehu, Mikneiah, and the gatekeepers Obed-Edom and Jeiel.

1 Chronicles 15:21

and Mattithiah, Eliphelehu, Mikneiah, Obed-Edom, Jeiel, and Azaziah [were to play] lyres, directing according to the Sheminith.

1 Chronicles 25:21

to [the] fourteenth, Mattithiah, his sons and his brothers, twelve;

2 Chronicles 29:14

and from the descendants of Heman: Jeiel and Shimei; and from the descendants of Jeduthun: Shemaiah and Uzziel--

Psalm 92:1

[It is] good to give thanks to Yahweh, and to sing praise concerning your name, O Most High;

Jeremiah 33:11

[the] voice of jubilation, and [the] voice of joy, [the] voice of [the] bridegroom, and [the] voice of [the] bride, [the] voices of [those who] say, "Praise Yahweh of hosts, for Yahweh [is] good, for his loyal love [is] {forever}," [the voices of those who] bring thank offerings [to] the house of Yahweh, for I will restore the fortunes of the land as in the beginning,' says Yahweh.

Treasury of Scripture Knowledge

Summary

Of Jeduthun: the sons of Jeduthun; Gedaliah, and Zeri, and Jeshaiah, Hashabiah, and Mattithiah, six, under the hands of their father Jeduthun, who prophesied with a harp, to give thanks and to praise the LORD.

General references

Bible References

Gedaliah

1 Chronicles 25:9
And the first lot for Asaph went out to Joseph; the second to Gedaliahu; he and his brothers and his twelve sons.

Jeshaiah

1 Chronicles 25:15
the eighth, Jeshaiah, his sons and his brothers, twelve;

Mattithiah

1 Chronicles 25:21
to [the] fourteenth, Mattithiah, his sons and his brothers, twelve;
1 Chronicles 15:18
and with them their brothers [of] the second [rank], Zechariah the son, Jaaziel, Shemiramoth, Jehiel, Unni, Eliab, Benaiah, Maaseiah, Mattithiah, Eliphelehu, Mikneiah, and the gatekeepers Obed-Edom and Jeiel.

General references

Numbers 3:20
The sons of Merari according to their tribes: Mahli and Mushi. These [are] the clans of the Levites according to {their families}.
Psalm 98:5
Sing praises to Yahweh with lyre, with lyre and melodious sound.