======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '122'
                                          'artist'  'Georgia Gibbs'
                                     'text_people'  ''
                                         'release'  "The Golden Age Of Rock 'n' Roll - 1956 - Volume 1 of 3"
                                           'title'  'Tra La La'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'jazz', 'female vocalists', '50s', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '189'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '144.438'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "The Golden Age Of Rock 'n' Roll - 1956 - Volume 1 of 3"
'TBPM' (BPM (beats per minute))                     '144.438'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'Tra La La'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Georgia Gibbs'
'TRCK' (Track number/Position in set)               '189'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'jazz', 'female vocalists', '50s', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.489552'

========================== row from database ==========================
                                              'id'  1428562
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-189 - Georgia Gibbs - Tra La La.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  122
                                           'genre'  prerock-vocal
                                        'filesize'  4900736
                                           'mtime'  1642081246
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 189 prerock vocal
                                      'tag_artist'  Georgia Gibbs
                                     'tag_release'  The Golden Age Of Rock 'n' Roll - 1956 - Volume 1 of 3
                                       'tag_title'  Tra La La
                                             'bpm'  144.438
                                    'search_title'  'la':2 'tra':1
                                   'search_artist'  'georgia':1 'gibbs':2
                                  'search_release'  '1':11 '1956':9 '3':12 'age':3 'golden':2 'n':6,7 'of':4 'rock':5 'roll':8 'the':1 'volume':10
                                     'search_rest'  '00oldiepop':5 '189':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'vocal':8
                                    'search_combo'  '00oldiepop':21 '1':15C '189':22 '1956':13C '3':16C 'age':7C 'country':20 'exotica':18 'georgia':3B 'gibbs':4B 'golden':6C 'jazz':17 'la':2A 'n':10C,11C 'of':8C 'oldies':19 'prerock':23 'rock':9C 'roll':12C 'the':5C 'tra':1A 'vocal':24 'volume':14C
                                    'tag_tracknum'  189
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['oldies', 'jazz', 'female vocalists', '50s', 'pop']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642081245.5110226  (2022-01-13 14:40:45)
                             'size'  4900736