With DISCO, the DIachronic Spanish Sonnet COrpus (Ruiz et al., 2018), we collected 4,087 sonnets, from the 15th to the 19th centuries, including canonical and lesser-studied authors from both Spain and Latin-America, with detailed author metadata, metrics, rhyme-scheme and enjambment annotations. The dataset is on GitHub and Zenodo, offered in plain text and TEI, and enriched with RDFa, a linked-data format. The corpus was intended for research, teaching, and also for non-specialist use. Some questions naturally emerge: How can we easily navigate this corpus and its rich metadata? How can we identify trends thanks to its annotations? How can users not proficient in XML query languages and linked data benefit from such a dataset? To address these issues, we’ve created DISCOver, a user-friendly web interface for the corpus, which we present here and is meant to help students, researchers, and readers overall, making the corpus accessible to a wider audience. DISCOver offers corpus navigation by author and period. Female poets and Latin-American authors were highlighted thanks to dedicated filters. For poems returned by a query, metrical features can be visualized: number of syllables, stress patterns, rhyme scheme, and enjambment. Graphs compare each poem’s stress and metrical features with subcorpora for its author and period, and with the complete corpus. This helps determine to what an extent the poem is representative of or diverges from typical values for an author or period. The metrical schemes graph is interactive: clicking on a scheme highlights all lines by an author where that scheme was used. The graphs allow an efficient circular reading, from close to distant reading and back to close reading, contextualising the poem and comparing it with general trends in its century or in the whole corpus. DISCOver’s functions thus help identify trends and outliers, contributing to our knowledge of the sonnet in Spanish. We argue that similar functionality could be implemented, with the same benefits, in the interfaces for other poetry corpora.