======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '149'
                                          'artist'  'blind willie mctell'
                                     'text_people'  ''
                                         'release'  'The Roots Of Canned Heat'
                                           'title'  "statesboro' blues"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country blues', 'blues', 'delta blues', 'folk', 'classic blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '128.822'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Roots Of Canned Heat'
'TBPM' (BPM (beats per minute))                     '128.822'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-blues', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "statesboro' blues"
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'blind willie mctell'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['country blues', 'blues', 'delta blues', 'folk', 'classic blues']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.10 dB'
'TXXX:replaygain_track_peak'                        '0.557797'
'TXXX:tracknum'                                     '07'

========================== row from database ==========================
                                              'id'  1504232
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/the roots of canned heat - va/07_blind willie mctell - statesboro_ blues.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  149
                                           'genre'  prerock-jb-blues;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  5994372
                                           'mtime'  1620346138
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country the roots of canned heat va 07_blind statesboro_ prerock jb blues;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  blind willie mctell
                                     'tag_release'  The Roots Of Canned Heat
                                       'tag_title'  statesboro' blues
                                             'bpm'  128.822
                                    'search_title'  'blues':3 'statesboro':1,2
                                   'search_artist'  'blind':1 'mctell':3 'willie':2
                                  'search_release'  'canned':4 'heat':5 'of':3 'roots':2 'the':1
                                     'search_rest'  '07':11 'blind':12 'blues':16,18 'canned':8 'country':4 'exotica':2 'heat':9 'jazz':1 'jb':15 'mor':25 'of':7 'oldies':3 'pl':20 'prerock':14 'roots':6 'set':17,19,22,24 'shirleyspinoza':21,23 'statesboro':13 'the':5 'va':10
                                    'search_combo'  '07':22 'blind':4B,23 'blues':3A,27,29 'canned':10C,19 'country':15 'exotica':13 'heat':11C,20 'jazz':12 'jb':26 'mctell':6B 'mor':36 'of':9C,18 'oldies':14 'pl':31 'prerock':25 'roots':8C,17 'set':28,30,33,35 'shirleyspinoza':32,34 'statesboro':1A,2A,24 'the':7C,16 'va':21 'willie':5B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['country blues', 'blues', 'delta blues', 'folk', 'classic blues']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620346138.094399  (2021-05-07 02:08:58)
                             'size'  5994372