Cello players theory of relativity

Certified Musical Physicist
Sale price$29.99
For the deep thinkers who proved it scientifically: time flies during solos and freezes during rests. Soft, comfy 100% ring-spun cotton for genius-level players. E equals mc squared? Try C string equals pure gravity.
  • Everyday ComfortEveryday Comfort
  • Cellist ApprovedCellist Approved
  • Reliable QualityReliable Quality
Color: Black
Size: S
Shirt Size Chart
Refer to images for visual sizing information.

LENGTH WIDTH CHEST
XS (inches) 27 16 31-34
S (inches) 28 18 34-37
M (inches) 29 20 38-41
L (inches) 30 22 42-45
XL (inches) 31 24 46-49
2XL (inches) 32 26 50-53
3XL (inches) 33 28 54-57
4XL (inches) 34 30 58-61
5XL (inches) 35 31 62-65

Shipped before the next verse

Ordered today, on the road within 48 hours.

Made by musicians

If it doesn't get a laugh at camp, it doesn't get printed.

Easy returns, no sad songs

7 days to send it back, no questions asked.

Bend time with this brainy Unisex Jersey T-Shirt featuring the "Cello players theory of relativity" design. Soft, lightweight combed ring-spun cotton keeps you comfortable in practice rooms, lessons, rehearsals, physics lectures, or a casual day out. This shirt isn't just a clothing item; it's peer-reviewed science. Cellists proved it long ago: time flies during a solo and grinds to a halt during a forty-bar rest. A two-hour rehearsal lasts a week when the violins are tuning, and a four-minute cadenza is over before you remember to breathe. Mass? Try carrying a cello up three flights. Gravity? That is what the C string does to a room. Energy equals mc squared, but only until the conductor changes the tempo. Great for gifting during holidays, birthdays, recitals, or exam season, this tee resonates with cellists, science teachers, orchestra nerds, and anyone who appreciates both physics-class humor and comfort in their everyday wear.

Product features

  • Made from 100% combed and ring-spun cotton for a soft, lightweight feel (Heather colors contain polyester).
  • Classic crew neckline with a ribbed collar that keeps its shape.
  • Side-seamed construction for a modern, flattering unisex fit.
  • Shoulder-to-shoulder taping for extra durability at the seams.
  • Pre-shrunk fabric that holds its size and shape wash after wash.

Care instructions

  • Do not dryclean
  • Do not bleach
  • Tumble dry: low heat
  • Iron, steam or dry: low heat
  • Machine wash: cold (max 30C or 90F), with similar colors

This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!

Fabric: 100% combed and ring-spun cotton (Heather colors contain polyester)

Fabric weight: 4.2 oz./yd.² (142 g/m²)

Fit: Unisex classic fit, true to size

Neckline: Crew neck with ribbed collar

Sleeve: Short sleeve

Construction: Side-seamed, shoulder-to-shoulder taping

Fabric care: Pre-shrunk, machine washable

Print: Fade-resistant, permanent design print

Sizes: S – 2XL

Colors: 15 color options available

Note: Lighter colors are slightly sheer and may appear see-through under certain lighting

Everything is made to order, so here's exactly what to expect.

Processing: 2–5 business days to print and pack. Longer during camp season and holidays; we'll email you if anything slips.

Rates: calculated at checkout based on where you are. No surprises.

Upgrades: faster options appear at checkout where they're available in your region.

Tracking: emailed the moment your order ships.

Delays: weather, holidays and customs are beyond us. We'd hand-deliver with a bow if we could. We'll keep you posted.

International orders: customs fees, duties and import taxes are the buyer's responsibility and aren't included in our prices.

Returns, exchanges and cancellations on non-custom items:

Contact us within 7 days of delivery to start a return, then send it back within 14 days.

Changed your mind? Cancel within 12 hours of ordering.

Return shipping is on you. Items need to come back unworn and in original condition — full refund minus original shipping.

Arrived damaged? Email photos within 7 days and we'll send a replacement. Keep the original.

Custom pieces can't be returned unless they arrive damaged or defective.

Built by musicians. Bending time since forever.

Designed for the musical physicists who proved time flies during solos and freezes during rests. Every tee blends premium comfort with a personality all its own: soft, effortless, and made to move with you.

Why We Chose This Shirt

  • Premium Bella+Canvas 3001
  • Soft, lightweight, broken-in feel
  • Unisex modern fit
  • Gets even softer with every wash

We chose the Bella+Canvas 3001 because it’s the kind of shirt people reach for first. Soft, lightweight, and comfortably broken-in from day one. Think of your favorite T-shirt that’s been washed and loved for years. If you’re looking for a thick, heavyweight tee, this probably isn’t it… and that’s exactly why we chose it.

VERIFIED CUSTOMER REVIEWS

Real musicians. Real opinions. Zero mercy.

★★★★★

Minerva K. ✓ Verified purchase

I teach physics and play cello in a community orchestra, so I have been waiting my whole life for this shirt. Excellent fit.

★★★★★

Thaddeus Crane ✓ Verified purchase

Bought two, one for me and one for my stand partner. We wore them to the same rehearsal and the conductor sighed. Worth it.

★★★★★

Ophira L. ✓ Verified purchase

Clever, comfortable, and the print quality is great. Fabric is nice and light for long rehearsal days.

★★★★★

Holly H. ✓ Verified purchase

Cute joke, but the fabric feels thinner than I expected and the color is a bit darker than the photo. Fit is fine.