======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '201'
                                          'artist'  'Amanda Marshall'
                                     'text_people'  ''
                                         'release'  "Everybody's Got a Story"
                                           'title'  'Love Is My Witness'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'female vocalists', 'pop', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '142.910'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Everybody's Got a Story"
'TBPM' (BPM (beats per minute))                     '142.910'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Love Is My Witness'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Amanda Marshall'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'singer songwriter', 'female vocalists', 'pop', 'canadian']
'TXXX:original release date'                        ['2001', '2001']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.374640'

========================== row from database ==========================
                                              'id'  1509502
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Amanda Marshall/MBZ;#Amanda Marshall;#Everybody_s Got a Story;#08;#Love Is My Witness.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  201
                                           'genre'  ifs-songwriter
                                        'filesize'  6434329
                                           'mtime'  1636916196
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos MBZ;#Amanda Marshall;#Everybody_s Story;#08;#Love ifs songwriter
                                      'tag_artist'  Amanda Marshall
                                     'tag_release'  Everybody's Got a Story
                                       'tag_title'  Love Is My Witness
                                             'bpm'  142.91
                                    'search_title'  'is':2 'love':1 'my':3 'witness':4
                                   'search_artist'  'amanda':1 'marshall':2
                                  'search_release'  'a':5 'everybody':1 'everybodys':3 'got':4 's':2 'story':6
                                     'search_rest'  '00singer':1 '08':15,18 'amanda':5,7 'eos':3 'everybody':9,12 'ifs':20 'love':16,19 'marshall':8,11 'mbz':4,6 's':10,13 'songwriter':2 'story':14,17
                                    'search_combo'  '00singer':13 '08':27,30 'a':11C 'amanda':5B,17,19 'eos':15 'everybody':7C,21,24 'everybodys':9C 'got':10C 'ifs':32 'is':2A 'love':1A,28,31 'marshall':6B,20,23 'mbz':16,18 'my':3A 's':8C,22,25 'songwriter':14 'story':12C,26,29 'witness':4A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'female vocalists', 'pop', 'canadian']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916195.9725583  (2021-11-14 19:56:35)
                             'size'  6434329