======================== unified (from filesystem) ========================
                                         'bitrate'  '240.095'
                                        'duration'  '249'
                                          'artist'  'Callenish Circle'
                                     'text_people'  ''
                                         'release'  'Pitch.Black.Effect'
                                           'title'  'As You Speak'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['thrash metal', 'metal', 'melodic death metal', 'death metal', 'dutch']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '88.1'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Pitch.Black.Effect'
'TBPM' (BPM (beats per minute))                     '88.1'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'As You Speak'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Callenish Circle'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['thrash metal', 'metal', 'melodic death metal', 'death metal', 'dutch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.12 dB'
'TXXX:replaygain_track_peak'                        '0.341760'

========================== row from database ==========================
                                              'id'  1263016
                                            'path'  /data/Music/Bulk/00dwimp/Callenish Circle/Pitch.Black.Effects/09 as you speak.mp3
                                         'working'  None
                                         'bitrate'  240
                                    'duration_sec'  249
                                           'genre'  eid-metal-death
                                        'filesize'  7495698
                                           'mtime'  1620302102
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Pitch.Black.Effects 09 as you speak eid metal death
                                      'tag_artist'  Callenish Circle
                                     'tag_release'  Pitch.Black.Effect
                                       'tag_title'  As You Speak
                                             'bpm'  88.1
                                    'search_title'  'as':1 'speak':3 'you':2
                                   'search_artist'  'callenish':1 'circle':2
                                  'search_release'  'black':2 'effect':3 'pitch':1 'pitchblackeffect':4
                                     'search_rest'  '00dwimp':1 'as':6 'black':3 'death':11 'effects':4 'eid':9 'metal':10 'pitch':2 'pitchblackeffects':5 'speak':8 'you':7
                                    'search_combo'  '00dwimp':10 'as':1A,15 'black':7C,12 'callenish':4B 'circle':5B 'death':20 'effect':8C 'effects':13 'eid':18 'metal':19 'pitch':6C,11 'pitchblackeffect':9C 'pitchblackeffects':14 'speak':3A,17 'you':2A,16
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['thrash metal', 'metal', 'melodic death metal', 'death metal', 'dutch']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620302101.9843135  (2021-05-06 13:55:01)
                             'size'  7495698