Graph-based music discovery engine

TasteExplorer maps your Spotify listening history into a similarity graph, detects taste clusters, and discovers niche artists at the edges of your sound.

Connect Spotify Try Demo View system architecture

Data Pipeline

Spotify Data

OAuth + API

Audio Features

7D vectors

Similarity Graph

k-NN cosine

Clusters

Communities

Discovery

Ranked

Feature Extraction

Danceability0.0 - 1.0

Energy0.0 - 1.0

Valence0.0 - 1.0

Tempo40 - 200 BPM

Z-score normalized for cosine similarity

Graph Construction

Algorithmk-NN

DistanceCosine

k neighbors5-10

ComplexityO(n² log k)

Adjacency list with edge weights

Example Output: Top Tracks with Features

#	Track	Artist	Energy	Valence	Dance
1	Midnight City	M83	0.82	0.54	0.67
2	Do I Wanna Know?	Arctic Monkeys	0.68	0.31	0.59
3	Digital Love	Daft Punk	0.71	0.89	0.81