15 Heb “and the redeemed will walk, the ransomed of the Lord will return.”
16 Heb “[will be] on their head[s].” “Joy” may be likened here to a crown (cf. 2 Sam 1:10). The statement may also be an ironic twist on the idiom “earth/dust on the head” (cf. 2 Sam 1:2; 13:19; 15:32; Job 2:12), referring to a mourning practice.
17 Heb “will overtake” (); “they will be overcome with.”
18 Heb “grief and groaning will flee”; “sorrow and sighing shall flee away.”

In other versions

And the ransomed of the Lord shall return

and come to Zion with singing;

everlasting joy shall be upon their heads;

they shall obtain gladness and joy,

and sorrow and sighing shall flee away.

and those the Lord has rescued will return.

They will enter Zion with singing;

everlasting joy will crown their heads.

Gladness and joy will overtake them,

and sorrow and sighing will flee away.

and the ransomed of the Lord will return

and come to Zion with singing,

crowned with unending joy.

Joy and gladness will overtake them,

and sorrow and sighing will flee.

Those who have been ransomed by the Lord will return.

They will enter Jerusalem singing,

crowned with everlasting joy.

Sorrow and mourning will disappear,

and they will be filled with joy and gladness.

And the ransomed of Yahweh shall return,

and they shall come to Zion with rejoicing.

And everlasting joy shall be on their head;

joy and gladness shall overtake them,

and sorrow and sighing shall flee.

And the ransomed of the Lord shall return,

And come to Zion with songs

And everlasting joy upon their heads:

They shall obtain joy and gladness,

And sorrow and sighing shall flee away.

Public Domain