Isaiah's apocalypse resembles Exodus, as both begin with a narration of God's judgment on sinners and then move to a description of God's continuing work.
Isaiah 24 prophesies that God will preserve a remnant made up of grape gleanings (the His Church) and of olives (national Israelites) who will sing together.
To the reprobate world, the sound of teruw'ah represents terror and war, but to God's called-out ones it is a time to render praises of happiness and great joy.
Hardly anything is more dramatic than the blast of a trumpet. Alarm or warning is a primary function, and its other uses likewise culminate in the Feast of Trumpets.
After reconciliation, there can finally be a meeting of minds as we are fashioned into a new creation, invited to sit in heavenly places, created for good works.
When the fulfillment of the Feast of Trumpets occurs, we will see God directly when Jesus Christ returns, an event which will get everyone's attention.
The Feast of Trumpets is a memorial of blowing of trumpets, symbolizing the Day of the Lord, the real war to end all wars, when Christ will subdue the earth.
One major incident involving the blowing of trumpets occurred at the outset of Israel's incursion into Canaan, when God brought down the walls of Jericho.
Our hope is founded on Jesus rising from the dead. If there is no resurrection, our faith is worthless; if Christ did not rise, we are still under condemnation.
God spoke audibly to Moses and the people, intentionally testing their faithfulness, to instill the fear of the Lord in them, and to keep them from sin.
If we would keep God's Feasts properly, we would be in sync with God's noble purpose for us, defending us from falling into apostasy and idolatry.
Only the Father knows the precise time of Christ's return, but the message to all Christians is to be vigilant and busy overcoming that we may see Him in glory.
Because of its intractability, the earth will require softening up through earth-shaking events before Christ's return, symbolized by the Feast of Trumpets.