Bhagavatapurana 4.24.77

4.24.77

vindate puruṣo 'muṣmād yad yad icchaty asatvaram /
mad-gīta-gītāt suprītāc chreyasām eka-vallabhāt //

77. He who is steady in repeating this Hymn obtains all that he wishes from Hari, who is sung by means of this Hymn and thereby delighted and who is the one Lord that bestows all blessings.

[Or, By delighting the Lord with the hymn sung by me, the man who is steady in this practice obtains all that he wishes from Hari who is the one Lord of all blessings.]