======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '295'
                                          'artist'  'Jega'
                                     'text_people'  ''
                                         'release'  'Spectrum'
                                           'title'  'Red Mullet'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'drum and bass', 'idm', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  '16'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '91.144'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Spectrum'
'TBPM' (BPM (beats per minute))                     '91.144'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Red Mullet'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jega'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '04/16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'drum and bass', 'idm', 'electronic', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.60 dB'
'TXXX:replaygain_track_peak'                        '0.701934'

========================== row from database ==========================
                                              'id'  1307408
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jega/Spectrum/jega - spectrum - 04 - red mullet.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  295
                                           'genre'  electronic
                                        'filesize'  7159885
                                           'mtime'  1636914074
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic jega spectrum 04 red mullet electronic
                                      'tag_artist'  Jega
                                     'tag_release'  Spectrum
                                       'tag_title'  Red Mullet
                                             'bpm'  91.144
                                    'search_title'  'mullet':2 'red':1
                                   'search_artist'  'jega':1
                                  'search_release'  'spectrum':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':6 'jega':2 'mullet':5 'red':4 'spectrum':3
                                    'search_combo'  '00poprockelectronic':5 'electronic':10 'jega':3B,6 'mullet':2A,9 'red':1A,8 'spectrum':4C,7
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'drum and bass', 'idm', 'electronic', 'ambient']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636914073.5492065  (2021-11-14 19:21:13)
                             'size'  7159885