======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '347'
                                          'artist'  'Bobby Fuller Four'
                                     'text_people'  ''
                                         'release'  'Cowabunga! The Surf Box'
                                           'title'  'Misirlou [Live]'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', 'classic rock', 'oldies', '60s', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '117.059'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Cowabunga! The Surf Box'
'TBPM' (BPM (beats per minute))                     '117.059'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Misirlou [Live]'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '347742'
'TPE1' (Lead performer(s)/Soloist(s))               'Bobby Fuller Four'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/4'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'classic rock', 'oldies', '60s', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.11 dB'
'TXXX:replaygain_track_peak'                        '0.496126'

========================== row from database ==========================
                                              'id'  1321830
                                            'path'  /data/Music/Bulk/00poprockelectronic/Versions - MISIRLOU/1960s. Bobby Fuller Four - Misirlou (Live).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  347
                                           'genre'  rock-pop-surf
                                        'filesize'  8354001
                                           'mtime'  1620737353
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Versions MISIRLOU 1960s. (Live) rock pop surf
                                      'tag_artist'  Bobby Fuller Four
                                     'tag_release'  Cowabunga! The Surf Box
                                       'tag_title'  Misirlou [Live]
                                             'bpm'  117.059
                                    'search_title'  'live':2,3 'misirlou':1
                                   'search_artist'  'bobby':1 'four':3 'fuller':2
                                  'search_release'  'box':4 'cowabunga':1 'surf':3 'the':2
                                     'search_rest'  '00poprockelectronic':1 '1960s':4,5 'live':6,7 'misirlou':3 'pop':9 'rock':8 'surf':10 'versions':2
                                    'search_combo'  '00poprockelectronic':11 '1960s':14,15 'bobby':4B 'box':10C 'cowabunga':7C 'four':6B 'fuller':5B 'live':2A,3A,16,17 'misirlou':1A,13 'pop':19 'rock':18 'surf':9C,20 'the':8C 'versions':12
                                    'tag_tracknum'  19
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'classic rock', 'oldies', '60s', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737353.1375587  (2021-05-11 14:49:13)
                             'size'  8354001