======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '141'
                                          'artist'  'Edward M. Favor'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  "O' Brien Has No Place To Go"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-1', 'q-chart-1', 'q-drums-1', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['all', 'vaudeville', '1900s', 'dead', 'everything']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1907'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '127.766'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '127.766'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1907'
'TIT2' (Title/songname/content description)         "O' Brien Has No Place To Go"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Edward M. Favor'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['all', 'vaudeville', '1900s', 'dead', 'everything']
'TXXX:q-bass'                                       '1'
'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'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.420882'

========================== row from database ==========================
                                              'id'  1516841
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1907/Edward M Favor - O_ Brien Has No Place to Go 1907.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  141
                                           'genre'  prerock-vocal
                                        'filesize'  2838322
                                           'mtime'  1630254847
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1907 O_ to 1907 prerock vocal
                                      'tag_artist'  Edward M. Favor
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  O' Brien Has No Place To Go
                                             'bpm'  127.766
                                    'search_title'  'brien':3 'go':8 'has':4 'no':5 'o':1,2 'place':6 'to':7
                                   'search_artist'  'edward':1 'favor':4 'm':2,3
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 '1907':6 'country':4 'exotica':2 'jazz':1 'o':7 'oldies':3 'prerock':9 'to':8 'vocal':10
                                    'search_combo'  '00oldiepop':22 '1907':23 'album':14C 'brien':3A 'country':21 'edward':9B 'exotica':19 'favor':12B 'go':8A 'has':4A 'jazz':18 'm':10B,11B 'no':5A 'non':13C 'nonalbum':15C 'o':1A,2A,24 'oldies':20 'place':6A 'prerock':26 'to':7A,25 'tracks':16C,17C 'vocal':27
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['all', 'vaudeville', '1900s', 'dead', 'everything']
                                        'tag_date'  1907
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1630254846.5907605  (2021-08-29 18:34:06)
                             'size'  2838322