======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '147'
                                          'artist'  'Quincy Jones'
                                     'text_people'  ''
                                         'release'  'The Split'
                                           'title'  'Night Headlights'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-LOCALNESS-3', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['bossa nova', 'big band', 'jazz', 'soul', 'funk']"
                                     'discogstags'  "['score', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '119.3'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Split'
'TBPM' (BPM (beats per minute))                     '119.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Night Headlights'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Quincy Jones'
'TPE2' (Band/orchestra/accompaniment)               'Quincy Jones'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['score', 'stage & screen']
'TXXX:lastfmtags'                                   ['bossa nova', 'big band', 'jazz', 'soul', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'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'                        '-0.58 dB'
'TXXX:replaygain_track_peak'                        '0.914145'

========================== row from database ==========================
                                              'id'  727394
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Quincy jones -split, the (320 k)/08 night headlights.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  147
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  5894469
                                           'mtime'  1620539074
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm jones split, the (320 k) 08 night headlights prerock jb jazz unsorted
                                      'tag_artist'  Quincy Jones
                                     'tag_release'  The Split
                                       'tag_title'  Night Headlights
                                             'bpm'  119.3
                                    'search_title'  'headlights':2 'night':1
                                   'search_artist'  'jones':2 'quincy':1
                                  'search_release'  'split':2 'the':1
                                     'search_rest'  '320':5,6 'headlights':10 'jazz':13 'jb':12 'jones':1 'k':7,8 'night':9 'prerock':11 'split':2,3 'the':4 'unsorted':14
                                    'search_combo'  '320':11,12 'headlights':2A,16 'jazz':19 'jb':18 'jones':4B,7 'k':13,14 'night':1A,15 'prerock':17 'quincy':3B 'split':6C,8,9 'the':5C,10 'unsorted':20
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['bossa nova', 'big band', 'jazz', 'soul', 'funk']
                                        'tag_date'  1968
                                     'discogstags'  ['score', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1620539074.353721  (2021-05-09 07:44:34)
                             'size'  5894469