======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '275'
                                          'artist'  'The Rolling Stones'
                                     'text_people'  ''
                                         'release'  'Progsoup 34'
                                           'title'  'Gimme Shelter'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'rock', '60s', 'british', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '119.054'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Progsoup 34'
'TBPM' (BPM (beats per minute))                     '119.054'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Gimme Shelter'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rolling Stones'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['blues', 'rock', '60s', 'british', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.570419'

========================== row from database ==========================
                                              'id'  1413524
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 34 (sixties prog)/1960 the rolling stones gimme shelter.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  275
                                           'genre'  rock-cppex-progressive
                                        'filesize'  6625286
                                           'mtime'  1620737204
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (sixties prog) 1960 the rolling stones gimme shelter rock cppex progressive
                                      'tag_artist'  The Rolling Stones
                                     'tag_release'  Progsoup 34
                                       'tag_title'  Gimme Shelter
                                             'bpm'  119.054
                                    'search_title'  'gimme':1 'shelter':2
                                   'search_artist'  'rolling':2 'stones':3 'the':1
                                  'search_release'  '34':2 'progsoup':1
                                     'search_rest'  '1960':7 'classicprogpsy':1 'cppex':14 'gimme':11 'prog':5,6 'progressive':15 'progsoup':2 'rock':13 'rolling':9 'shelter':12 'sixties':3,4 'stones':10 'the':8
                                    'search_combo'  '1960':14 '34':7C 'classicprogpsy':8 'cppex':21 'gimme':1A,18 'prog':12,13 'progressive':22 'progsoup':6C,9 'rock':20 'rolling':4B,16 'shelter':2A,19 'sixties':10,11 'stones':5B,17 'the':3B,15
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', '60s', 'british', 'classic rock']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737203.6055808  (2021-05-11 14:46:43)
                             'size'  6625286