======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '175'
                                          'artist'  'Vera Lynn'
                                     'text_people'  ''
                                         'release'  'US-Billboard-Charts'
                                           'title'  'If You Love Me (Really Love Me'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', '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', 'british', '40s', 'wartime']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '89'
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '142.508'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '54-146 POS 21'
'COMM:ID3v1 Comment:XXX'                            '54-146 POS 21'
'TALB' (Album/Movie/Show title)                     'US-Billboard-Charts'
'TBPM' (BPM (beats per minute))                     '142.508'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'If You Love Me (Really Love Me'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Vera Lynn'
'TRCK' (Track number/Position in set)               '89'
'TXXX:Q-HAP'                                        '2'
'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', 'british', '40s', 'wartime']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                        '+2.40 dB'
'TXXX:replaygain_track_peak'                        '0.298952'

========================== row from database ==========================
                                              'id'  1452187
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-146 - Vera Lynn - If You Love Me (Really Love Me).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  175
                                           'genre'  prerock-unsorted
                                        'filesize'  7036480
                                           'mtime'  1676152139
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 54 146 Me) prerock unsorted
                                      'tag_artist'  Vera Lynn
                                     'tag_release'  US-Billboard-Charts
                                       'tag_title'  If You Love Me (Really Love Me
                                             'bpm'  142.508
                                    'search_title'  'if':1 'love':3 'me':4 'really':5,6 'you':2
                                   'search_artist'  'lynn':2 'vera':1
                                  'search_release'  'billboard':2 'charts':3 'us':1 'usbillboardcharts':4
                                     'search_rest'  '00oldiepop':5 '146':8 '1954':6 '54':7 'country':4 'exotica':2 'jazz':1 'me':9,10 'oldies':3 'prerock':11 'unsorted':12
                                    'search_combo'  '00oldiepop':17 '146':20 '1954':18 '54':19 'billboard':10C 'charts':11C 'country':16 'exotica':14 'if':1A 'jazz':13 'love':3A 'lynn':8B 'me':4A,21,22 'oldies':15 'prerock':23 'really':5A,6A 'unsorted':24 'us':9C 'usbillboardcharts':12C 'vera':7B 'you':2A
                                    'tag_tracknum'  89
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', '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', 'british', '40s', 'wartime']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676152139.3691974  (2023-02-11 22:48:59)
                             'size'  7036480