======================== unified (from filesystem) ========================
                                         'bitrate'  '198.814'
                                        'duration'  '299'
                                          'artist'  'Paul Anka'
                                     'text_people'  ''
                                         'release'  'Rock Swings'
                                           'title'  "It's A Sin"
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['oldies', '60s', 'canadian', 'jazz', 'easy listening', 'swing']"
                                     'discogstags'  "['jazz', 'easy listening', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'set-cover or covered'
                                             'bpm'  '106.531'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000029B 00000277 00002E03'
'COMM:iTunNORM:eng'                                 (' 0000029B 00000277 00002E03 000036C2 0001F2F4 00031F00 000073BE 00007418 '
 '0002A68C 0003D809')
'TALB' (Album/Movie/Show title)                     'Rock Swings'
'TBPM' (BPM (beats per minute))                     '106.531'
'TCON' (Content type, a.k.a. Genre)                 'set-cover or covered'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "It's A Sin"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Anka'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'easy listening', 'swing']
'TXXX:lastfmtags'                                   ['oldies', '60s', 'canadian', 'jazz', 'easy listening', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.641340'

========================== row from database ==========================
                                              'id'  1518678
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Rock Swings/paul anka - rock swings - 07 - it_s a sin.mp3
                                         'working'  None
                                         'bitrate'  199
                                    'duration_sec'  299
                                           'genre'  set-cover or covered
                                        'filesize'  7448458
                                           'mtime'  1652397918
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted paul anka rock swings 07 it_s sin set cover or covered
                                      'tag_artist'  Paul Anka
                                     'tag_release'  Rock Swings
                                       'tag_title'  It's A Sin
                                             'bpm'  106.531
                                    'search_title'  'a':4 'it':1 'its':3 's':2 'sin':5
                                   'search_artist'  'anka':2 'paul':1
                                  'search_release'  'rock':1 'swings':2
                                     'search_rest'  '00poprockelectronic':1 'anka':4 'cover':11 'covered':13 'it':7 'or':12 'paul':3 'rock':5 's':8 'set':10 'sin':9 'swings':6 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 'a':4A 'anka':7B,13 'cover':20 'covered':22 'it':1A,16 'its':3A 'or':21 'paul':6B,12 'rock':8C,14 's':2A,17 'set':19 'sin':5A,18 'swings':9C,15 'unsorted':11
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['oldies', '60s', 'canadian', 'jazz', 'easy listening', 'swing']
                                        'tag_date'  2005
                                     'discogstags'  ['jazz', 'easy listening', 'swing']

============================== file details ==============================
                                           'mtime'  1652397918.2935903  (2022-05-13 01:25:18)
                             'size'  7448458