# TuneSheets (https://tunesheets.com) > Conservatory-grade true-vector printable blank sheet music, staff paper PDF templates, interactive sight-reading & music theory tools, public-domain classical guitar tabs, letter-note beginner scores, and anatomical woodwind fingering charts. ## Core Architecture & Quality Standards - **100% True Vector PDF Output**: Every sheet is generated via `@print-matrix/print-engine` (`pdf-lib` + Bravura SMuFL outlines) at exact PostScript point coordinates (`0.5pt` staff lines, international Rastrum presets `5.5mm`, `7.0mm`, `9.0mm`, `12.5mm`). Zero bitmap screenshots. - **Dual Paper Formats**: Every printable pack supports both **US Letter (8.5" x 11")** and **ISO A4 (210mm x 297mm)**, plus US 3-hole binder safe margins (`0.75"` / `54pt`) and Clean Composer Mode (zero watermarks). - **100% Free Classroom Photocopying**: All blank paper, worksheets, answer keys, and public-domain engravings may be freely printed and photocopied by teachers, music studios, ensembles, and students. ## Primary Resource Directories - [Blank Sheet Music PDF & Custom Maker](https://tunesheets.com/): 8 instant Letter & A4 presets plus custom Rastrum, cream paper, and binder-margin controls. - [Staff Paper PDF Packs](https://tunesheets.com/staff-paper-pdf): Grand staff, treble, bass, alto, tenor, SATB choir, string quartet, and vocal+piano staves. - [Blank Manuscript Paper](https://tunesheets.com/blank-manuscript-paper): Clef-free pure 5-line composer sheets (8 to 18 staves, zero watermark). - [Guitar Tab Paper PDF](https://tunesheets.com/guitar-tab-paper): 6-string TAB, Staff+TAB, and 4-in-1 guitar lesson templates. - [Guitar Chord Chart Blank](https://tunesheets.com/blank-chord-chart): 24-grid and 36-grid blank fretboard boxes for guitar and ukulele. - [Nashville Number System Chart](https://tunesheets.com/nashville-number-system-chart): All 12 major and minor keys 1-7 lookup matrix and printable band chart. - [Interactive Music Theory Tools](https://tunesheets.com/tools): Note Identification Trainer, Sight Reading Practice Generator, Guitar Tab Generator & ASCII Formatter, Scale Finder, Chord Transposer, and Key Signature Identifier. - [Public-Domain Classical & Folk Guitar Tabs](https://tunesheets.com/tabs): Spanish Romance (1890s anonymous edition), Fur Elise (Beethoven WoO 59), Happy Birthday (1893 melody), and House of the Rising Sun (1937 traditional folk collection). - [Sheet Music with Letters & Recorder](https://tunesheets.com/sheet-music-with-letters): Piano letter notes, Boomwhackers 7-color classroom mode, Baroque soprano recorder songs, and Hot Cross Buns B-A-G large-print sheets. - [Circle of Fifths Chart & Bass Clef Edition](https://tunesheets.com/circle-of-fifths-chart): Color/B&W wheels, 2x2 giant classroom poster tiles, bass-clef wheel, and fill-in worksheets with answer keys. - [Music Theory Worksheets](https://tunesheets.com/worksheets): Seeded rhythm counting and note naming worksheets with US/UK terminology toggle and teacher answer keys. - [Woodwind Fingering Charts](https://tunesheets.com/fingering-charts): Anatomical Bb Boehm Clarinet (E3-A6) and Concert Flute (C4-C7) vector charts.