======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '259'
                                          'artist'  'Bif Naked'
                                     'text_people'  ''
                                         'release'  'Essentially Naked'
                                           'title'  'Twich'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['venom covers', 'blackpeople', 'from rawicz :d', 'i love the germans', "
 "'funk italiana']")
                                     'discogstags'  ("['electronic', 'rock', 'non-music', 'punk', 'hard rock', 'pop rock', 'new "
 "wave', 'spoken word', 'house', 'industrial']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '100.755'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Essentially Naked'
'TBPM' (BPM (beats per minute))                     '100.755'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2003'
'TDRL' (Release time)                               '2003-08-12'
'TENC' (Encoded by)                                 'iTunes v6.0.3'
'TIT2' (Title/songname/content description)         'Twich'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bif Naked'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '15'
'TSOP' (Performer sort order)                       'Naked, Bif'
'TXXX:MusicBrainz Album Artist'                     'Bif Naked'
'TXXX:MusicBrainz Album Artist Id'                  'e9a639e2-3840-410a-bd6d-4e7bdb66734d'
'TXXX:MusicBrainz Album Artist Sortname'            'Naked, Bif'
'TXXX:MusicBrainz Album Id'                         'eaec657c-d18d-4a65-a739-cf95abddaedc'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'e9a639e2-3840-410a-bd6d-4e7bdb66734d'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '4dfb2315-5d66-af38-f978-beab4e267263'
'TXXX:MusicMagic Data'                              'AgEABUsguzqUs6Q4gX08z2FWgAGCB5Wt1/Kcylk+u/0TI98XgAHbvq140sqwFbG6gn2AAT/fhFRCgOao3Szgs+mk8MGwvAfKgZ6AAaoDlbywAYMdEpdH74gOg1eJTtrdmqpKpr4f+tOilY8f4mm5d86iyh2rc4KSg1UNwI+7GD/eWK561Kzvm/H6sznol48lgJg='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic',
 'rock',
 'non-music',
 'punk',
 'hard rock',
 'pop rock',
 'new wave',
 'spoken word',
 'house',
 'industrial']
'TXXX:lastfmtags'                                   ['venom covers',
 'blackpeople',
 'from rawicz :d',
 'i love the germans',
 'funk italiana']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.07 dB'
'TXXX:replaygain_track_peak'                        '0.392475'

========================== row from database ==========================
                                              'id'  1420126
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Bif Naked/Essentially Naked 2003/Bif Naked - Essentially Naked - 15 - Twich.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  259
                                           'genre'  rock-gr-punk
                                        'filesize'  8297010
                                           'mtime'  1622658929
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 2003 15 rock gr punk
                                      'tag_artist'  Bif Naked
                                     'tag_release'  Essentially Naked
                                       'tag_title'  Twich
                                             'bpm'  100.755
                                    'search_title'  'twich':1
                                   'search_artist'  'bif':1 'naked':2
                                  'search_release'  'essentially':1 'naked':2
                                     'search_rest'  '2003':5 'garage':2 'gr':7 'punk':1 'rock':6 'stoner':4 'surf':3
                                    'search_combo'  '2003':10 'bif':2B 'essentially':4C 'garage':7 'gr':12 'naked':3B,5C 'punk':6 'rock':11 'stoner':9 'surf':8 'twich':1A
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['venom covers', 'blackpeople', 'from rawicz :d', 'i love the germans', 'funk italiana']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'rock', 'non-music', 'punk', 'hard rock', 'pop rock', 'new wave', 'spoken word', 'house', 'industrial']

============================== file details ==============================
                                           'mtime'  1622658928.9805753  (2021-06-02 20:35:28)
                             'size'  8297010