======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '185'
                                          'artist'  'Stray Cats'
                                     'text_people'  ''
                                         'release'  'Back To The Alley, Best Of The Stray Cats'
                                           'title'  "Double Talkin' Baby"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'rock n roll', 'psychobilly', 'rockabilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '113.7'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Back To The Alley, Best Of The Stray Cats'
'TBPM' (BPM (beats per minute))                     '113.7'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         "Double Talkin' Baby"
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '185234'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Stray Cats'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rock n roll', 'psychobilly', 'rockabilly', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.13 dB'
'TXXX:replaygain_track_peak'                        '0.572765'

========================== row from database ==========================
                                              'id'  1503104
                                            'path'  /data/Music/Bulk/00poprockelectronic/Stray Cats/Stray Cats - Double Talkin_ Baby - 10.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  185
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  2965376
                                           'mtime'  1620525874
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Talkin_ 10 rock rockabilly or psychobilly
                                      'tag_artist'  Stray Cats
                                     'tag_release'  Back To The Alley, Best Of The Stray Cats
                                       'tag_title'  Double Talkin' Baby
                                             'bpm'  113.7
                                    'search_title'  'baby':4 'double':1 'talkin':2,3
                                   'search_artist'  'cats':2 'stray':1
                                  'search_release'  'alley':4,5 'back':1 'best':6 'cats':9 'of':7 'stray':8 'the':3 'to':2
                                     'search_rest'  '00poprockelectronic':1 'or':5 'psychobilly':6 'rock':3 'rockabilly':4 'talkin':2
                                    'search_combo'  '00poprockelectronic':16 'alley':10C,11C 'baby':4A 'back':7C 'best':12C 'cats':6B,15C 'double':1A 'of':13C 'or':20 'psychobilly':21 'rock':18 'rockabilly':19 'stray':5B,14C 'talkin':2A,3A,17 'the':9C 'to':8C
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rock n roll', 'psychobilly', 'rockabilly', 'rock']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525873.5584698  (2021-05-09 04:04:33)
                             'size'  2965376