What you need for an operetta concert

An operetta concert needs more than chairs and a piano. You will also need a complete refreshment setup, clear stage equipment and practical supplies for the entrance, cloakroom and performers. Buy or collect items early enough to test the microphones, mixer, speakers and lighting before visitors arrive. Use your confirmed audience number to calculate cups, glasses, plates and pastries, then add a small buffer so volunteers are not forced to restock during the interval.

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What to bring

Grouped the way you'd shop for it, with quantities.

Furniture

Chairsqty 110
Bistro tablesqty 12
Buffet tablesqty 4
Dressing room racksqty 2
Foldable tablesqty 2

Tableware

Coffee cupsqty 100
Tea glassesqty 100
Water glassesqty 120
Wine glassesqty 100
Platesqty 120
Pastry forksqty 120
Coffee spoonsqty 100
Serving spoonsqty 12
Serving plattersqty 12

Equipment

Microphonesqty 4
Microphone standsqty 4
Speakersqty 2
Mixer
Music standsqty 12
Extension cordsqty 8
Power stripsqty 6
DI boxesqty 2
Piano stool
Keyboard
Keyboard stand

Lighting

Stage spotlightsqty 4
Standing lampsqty 4
Light standsqty 2

Decorations

Tableclothsqty 16
Stage backdropsqty 2
Flower arrangementsqty 6
Program standsqty 4
Name badgesqty 12
Directional signsqty 8

Kitchen

Coffee machinesqty 2
Kettlesqty 2
Thermos flasksqty 6
Coolersqty 4
Ice cube traysqty 4
Serving tongsqty 8
Cutting boardsqty 3
Bread knivesqty 3
Kitchen knivesqty 3
Measuring cupsqty 2

Catering

Groceries
- Coffee - 2 packs
- Decaf coffee - 1 pack
- Black tea - 2 boxes
- Herbal tea - 1 box
- Chai tea - 1 box
- Sugar - 2 kilos
- Sweetener - 2 boxes
- Semi-skimmed milk - 8 liters
- Oat milk - 4 liters
- Lemons - 12 pieces
- Still mineral water - 48 bottles
- Sparkling mineral water - 24 bottles
- Cola - 12 bottles
- Cola Zero - 12 bottles
- Orange soda - 8 bottles
- Tonic - 6 bottles
- Apple juice - 8 cartons
- Orange juice - 8 packs
- Non-alcoholic beer - 24 bottles
- Pilsner - 72 bottles
- White wine - 12 bottles
- Red wine - 6 bottles
- Rosé - 6 bottles
- Bubbles - 6 bottles
- Beer glasses - 24 pieces
- Snack mix - 8 bags
- Paprika chips - 6 bags
- Plain chips - 6 bags
- Olives - 6 jars
- Pickles - 4 jars
- Salted breadsticks - 6 bags
- Toast squares - 10 packs
- Baguettes - 12 pieces
- Butter - 1 kilo
- Plain cream cheese - 1,5 kilo
- Hummus - 1.5 kilos
- Brie - 1.5 kilos
- Young cheese - 2 kilos
- Aged cheese - 1 kilo
- Grapes - 5 kilos
- Apples - 40 pieces
- Pears - 30 pieces
- Cherry tomatoes - 3 kilos
- Cucumbers - 8 pieces
- Carrots - 3 kilos
- Bell peppers - 12 pieces
- Nut mix - 2 kilo
- Raisins - 1 kilo
- Mini quiches - 120 pieces
- Vegetable pies - 80 pieces
- Mini wraps - 100 pieces
- Stuffed eggs - 60 pieces
- Vegetarian spreads - 6 tubs
- Gluten-free crackers - 4 packs
- Vegan appetizers - 40 pieces
- Cream Puffs - 120 pieces
- Mini brownies - 100 pieces
- Butter cookies - 8 packs
- Lemon cake - 4 pieces
- Apple juice for children - 4 packs
- Ice cubes - 12 kilo
- Napkins - 500 pieces
- Coffee filters - 2 packs
- Stirrers - 300 pieces
- Cocktail sticks - 300 pieces
- Cling film - 2 rolls
- Aluminum foil - 2 rolls
- Paper towels - 8 rolls
- Toilet paper - 48 rolls
- Trash bags - 3 rolls
- Dish soap - 2 bottles
- Hand soap - 4 bottles
- Disinfectant spray - 4 bottles
- Sponges - 6 pieces
- Microfiber cloths - 12 pieces

Cleaning

Mopsqty 2
Bucketsqty 3
Broom setsqty 2
Vacuum cleanersqty 2
Floor squeegeesqty 2
Cleaning clothsqty 20
Cleaning glovesqty 6

Entrance

Entry formsqty 120
Pensqty 12
Cloakroom numbersqty 120
Cloakroom bagsqty 120
Cash traysqty 2
Cash boxesqty 2
Name stickersqty 120

Paperwork

Program bookletsqty 120
Printer paperqty 2
Tapeqty 6
Paper Scissorsqty 4
Staplersqty 2

Safety

Flashlightsqty 4
Barrier tapeqty 4
Non-slip matsqty 8
Cable traysqty 12

Clothing

Black apronsqty 8
Cloakroom bagsqty 120

Storage

Plastic cratesqty 12
Storage boxesqty 8
Clothing coversqty 20

Tips

Plan tableware from the guest count: allow one coffee cup, one tea glass, one water glass and one wine glass per expected visitor, plus 10% extra for breakage and late arrivals.
Do not leave technical equipment until concert day. Test the microphones, stands, speakers, mixer, DI boxes, keyboard and cables at least 24 hours beforehand, including every power strip and extension cord.
Set aside separate supplies for the performers and audience. Dressing-room racks, a piano stool and music stands are easy to overlook when the main seating and buffet equipment are being collected.
For the interval buffet, match plates and pastry forks to the number of guests rather than the number of performers. Prepare serving spoons and platters before the hall opens, so the first volunteer is not searching for them when refreshments start.
Keep the printed program booklets, tablecloths and stage backdrop in clearly labelled boxes. Sort them before setup and place the booklets at the entrance after the cloakroom and registration area are ready.

Frequently asked questions

What tableware do I need for an operetta concert?: For each visitor, plan one plate, pastry fork, coffee cup, tea glass, water glass and wine glass if wine is served. Add about 10% extra, so a 100-person concert needs roughly 110 of each item rather than exactly 100.
How many drinks should I buy for an operetta concert?: For the first hour, allow two to three drinks per person, then about one drink per person for each additional hour. Include water, coffee and tea in the calculation and keep a 10% reserve for unexpected attendance or spills.
When should I test the sound equipment for an operetta concert?: Complete the full sound check at least 24 hours before the concert, then repeat a short check when the hall is set up. Test each microphone, stand, speaker, mixer channel, DI box, keyboard connection and cable separately.
How many program booklets should I print for an operetta concert?: Print one booklet per expected visitor and add 5% to 10% extra. For 100 registered visitors, prepare 105 to 110 copies so late registrations and damaged copies do not leave anyone without a program.

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