======================== unified (from filesystem) ========================
                                         'bitrate'  '224.016'
                                        'duration'  '190'
                                          'artist'  'Altair Nouveau'
                                     'text_people'  ''
                                         'release'  'ALT RAD DANCE'
                                           'title'  'Death on Four Wheels'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'space disco', '4', 'all', 'cosmic disco']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '143.619'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000065C 00000650 00002511 00'
'COMM:iTunNORM:eng'                                 (' 0000065C 00000650 00002511 00002B35 00023DB2 00027A8E 00007329 000070D9 '
 '0002B46D 0001BD2B')
'TALB' (Album/Movie/Show title)                     'ALT RAD DANCE'
'TBPM' (BPM (beats per minute))                     '143.619'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Death on Four Wheels'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Altair Nouveau'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['electronic', 'space disco', '4', 'all', 'cosmic disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.28 dB'
'TXXX:replaygain_track_peak'                        '0.534970'

========================== row from database ==========================
                                              'id'  1345856
                                            'path'  /data/Music/Bulk/00poprockelectronic/ALT RAD DANCE/Altair Nouveau - Death on Four Wheels.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  190
                                           'genre'  electronic-unsorted
                                        'filesize'  5343003
                                           'mtime'  1645369861
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic unsorted
                                      'tag_artist'  Altair Nouveau
                                     'tag_release'  ALT RAD DANCE
                                       'tag_title'  Death on Four Wheels
                                             'bpm'  143.619
                                    'search_title'  'death':1 'four':3 'on':2 'wheels':4
                                   'search_artist'  'altair':1 'nouveau':2
                                  'search_release'  'alt':1 'dance':3 'rad':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':10 'alt':7C 'altair':5B 'dance':9C 'death':1A 'electronic':11 'four':3A 'nouveau':6B 'on':2A 'rad':8C 'unsorted':12 'wheels':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']
                                      'lastfmtags'  ['electronic', 'space disco', '4', 'all', 'cosmic disco']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1645369860.7876232  (2022-02-20 16:11:00)
                             'size'  5343003