======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '426'
                                          'artist'  'Robert Miles'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  'Children'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dance', 'trance', 'electronic', 'chillout', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '65'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or '
 'radio-unsorted;electronic;electronic-th-trance;set-pl-billboard')
                                             'bpm'  '137.199'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1'
'TBPM' (BPM (beats per minute))                     '137.199'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'electronic',
 'electronic-th-trance',
 'set-pl-billboard']
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Children'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Robert Miles'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '65'
'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:lastfmtags'                                   ['dance', 'trance', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.24 dB'
'TXXX:replaygain_track_peak'                        '0.620168'

========================== row from database ==========================
                                              'id'  1352818
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1996/065 - Robert Miles - Children.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  426
                                           'genre'  electronic-generic or radio-unsorted;electronic;electronic-th-trance;set-pl-billboard
                                        'filesize'  6819278
                                           'mtime'  1636913802
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1996 065 electronic generic or radio unsorted;electronic;electronic th trance;set pl billboard
                                      'tag_artist'  Robert Miles
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  Children
                                             'bpm'  137.199
                                    'search_title'  'children':1
                                   'search_artist'  'miles':2 'robert':1
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1996':3 'billboard':20 'electronic':4,9,10,12,13 'generic':5 'or':6 'pl':19 'radio':7 'set':16,18 'th':14 'top100':2 'trance':15,17 'unsorted':8,11
                                    'search_combo'  '00poprockelectronic':10 '1':9C '1996':12 'billboard':4C,29 'children':1A 'electronic':13,18,19,21,22 'generic':14 'miles':3B 'of':8C 'or':15 'pl':28 'pop':6C 'radio':16 'robert':2B 'set':25,27 'singles':7C 'th':23 'top':5C 'top100':11 'trance':24,26 'unsorted':17,20
                                    'tag_tracknum'  65
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trance', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913801.6779072  (2021-11-14 19:16:41)
                             'size'  6819278