======================== unified (from filesystem) ========================
                                         'bitrate'  '180.839'
                                        'duration'  '258'
                                          'artist'  'Venetian Snares'
                                     'text_people'  'Aaron Funk'
                                         'release'  'Winter in the Belly of a Snake'
                                           'title'  'tattoo'
                                           'quals'  ("['Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'breakcore', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '96.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Winter in the Belly of a Snake'
'TBPM' (BPM (beats per minute))                     '96.0'
'TCOM' (Composer)                                   'Aaron Funk'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'tattoo'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '258403'
'TPE1' (Lead performer(s)/Soloist(s))               'Venetian Snares'
'TPE2' (Band/orchestra/accompaniment)               'Venetian Snares'
'TPUB' (Publisher)                                  'Planet Mu'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'breakcore', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.58 dB'
'TXXX:replaygain_track_peak'                        '0.441031'

========================== row from database ==========================
                                              'id'  1314611
                                            'path'  /data/Music/Bulk/00poprockelectronic/Venetian Snares/Venetian Snares - tattoo.mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  258
                                           'genre'  rock-unsorted
                                        'filesize'  5842724
                                           'mtime'  1620392430
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic rock unsorted
                                      'tag_artist'  Venetian Snares
                                     'tag_release'  Winter in the Belly of a Snake
                                       'tag_title'  tattoo
                                             'bpm'  96.0
                                    'search_title'  'tattoo':1
                                   'search_artist'  'snares':2 'venetian':1
                                  'search_release'  'a':6 'belly':4 'in':2 'of':5 'snake':7 'the':3 'winter':1
                                     'search_rest'  '00poprockelectronic':1 'rock':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':11 'a':9C 'belly':7C 'in':5C 'of':8C 'rock':12 'snake':10C 'snares':3B 'tattoo':1A 'the':6C 'unsorted':13 'venetian':2B 'winter':4C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'breakcore', 'experimental']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392429.7765903  (2021-05-07 15:00:29)
                             'size'  5842724