Fans of the Grateful Dead are pouring into San Francisco for three days of concerts and festivities marking the 60th anniversary of the scruffy jam band that came to embody a city where people wore flowers in their hair and made love,

The Grateful Dead's 60th anniversary celebration draws tens of thousands to Golden Gate Park for concerts, commemorations and the planting of new roses.

Sixty years after the Grateful Dead first formed in San Francisco, the spirit of the legendary jam band is alive and well in the city where it all began.