======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '305'
                                          'artist'  'Venetian Snares'
                                     'text_people'  ''
                                         'release'  'Higgins Ultra Low Track Glue Funk Hits, 1972-2006'
                                           'title'  'Deadman DJ'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-4', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', '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'  '6'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore'
                                             'bpm'  '143.9'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Higgins Ultra Low Track Glue Funk Hits, 1972-2006'
'TBPM' (BPM (beats per minute))                     '143.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch-breakcore'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Deadman DJ'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Venetian Snares'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'breakcore', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.281942'

========================== row from database ==========================
                                              'id'  1342088
                                            'path'  /data/Music/Bulk/00poprockelectronic/Venetian Snares/Higgins Ultra Low Track Glue Funk Hits 1972-2006/Venetian Snares - Higgins ultra low track glue funk hits - 06 - Deadman DJ.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  305
                                           'genre'  electronic-experimental-glitch-breakcore
                                        'filesize'  9762688
                                           'mtime'  1621637892
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ultra low track glue funk hits electronic experimental glitch breakcore
                                      'tag_artist'  Venetian Snares
                                     'tag_release'  Higgins Ultra Low Track Glue Funk Hits, 1972-2006
                                       'tag_title'  Deadman DJ
                                             'bpm'  143.9
                                    'search_title'  'deadman':1 'dj':2
                                   'search_artist'  'snares':2 'venetian':1
                                  'search_release'  '1972':9 '19722006':11 '2006':10 'funk':6 'glue':5 'higgins':1 'hits':7,8 'low':3 'track':4 'ultra':2
                                     'search_rest'  '00poprockelectronic':1 'breakcore':11 'electronic':8 'experimental':9 'funk':6 'glitch':10 'glue':5 'hits':7 'low':3 'track':4 'ultra':2
                                    'search_combo'  '00poprockelectronic':16 '1972':13C '19722006':15C '2006':14C 'breakcore':26 'deadman':1A 'dj':2A 'electronic':23 'experimental':24 'funk':10C,21 'glitch':25 'glue':9C,20 'higgins':5C 'hits':11C,12C,22 'low':7C,18 'snares':4B 'track':8C,19 'ultra':6C,17 'venetian':3B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-4', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'breakcore', 'experimental']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621637892.214996  (2021-05-22 00:58:12)
                             'size'  9762688