======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '135'
                                          'artist'  'The Hollywood Persuaders'
                                     'text_people'  ''
                                         'release'  'Phonoanomalies: A Totally New Recording for Hi-Fi Bugs'
                                           'title'  'Drums A Go-Go'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['united states', 'fantasy tarantino soundtrack', 'instrumentals', 'electric "
 "piano', 'american']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  '30'
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '93.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Phonoanomalies: A Totally New Recording for Hi-Fi Bugs'
'TBPM' (BPM (beats per minute))                     '93.0'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Drums A Go-Go'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Hollywood Persuaders'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '07/30'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['united states',
 'fantasy tarantino soundtrack',
 'instrumentals',
 'electric piano',
 'american']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.51 dB'
'TXXX:replaygain_track_peak'                        '0.690445'

========================== row from database ==========================
                                              'id'  717459
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/v.a. - WFMU - Phonoanomalies - A Totally New Recording for Hi-Fi Bugs/07_-_The_Hollywood_Persuaders_-_Drums_A_Go-Go.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  135
                                           'genre'  loc-unsorted
                                        'filesize'  3266517
                                           'mtime'  1637933106
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm v.a. WFMU 07_ _The_Hollywood_Persuaders_ _Drums_A_Go loc unsorted
                                      'tag_artist'  The Hollywood Persuaders
                                     'tag_release'  Phonoanomalies: A Totally New Recording for Hi-Fi Bugs
                                       'tag_title'  Drums A Go-Go
                                             'bpm'  93.0
                                    'search_title'  'a':2 'drums':1 'go':3,4 'gogo':5
                                   'search_artist'  'hollywood':2 'persuaders':3 'the':1
                                  'search_release'  'a':3 'bugs':11 'fi':9 'for':7 'hi':8 'hifi':10 'new':5 'phonoanomalies':1,2 'recording':6 'totally':4
                                     'search_rest'  '07':5 'a':2,10 'drums':9 'go':11 'hollywood':7 'loc':12 'persuaders':8 'the':6 'unsorted':13 'v':1 'va':3 'wfmu':4
                                    'search_combo'  '07':24 'a':2A,11C,21,29 'bugs':19C 'drums':1A,28 'fi':17C 'for':15C 'go':3A,4A,30 'gogo':5A 'hi':16C 'hifi':18C 'hollywood':7B,26 'loc':31 'new':13C 'persuaders':8B,27 'phonoanomalies':9C,10C 'recording':14C 'the':6B,25 'totally':12C 'unsorted':32 'v':20 'va':22 'wfmu':23
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['united states', 'fantasy tarantino soundtrack', 'instrumentals', 'electric piano', 'american']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637933105.6760352  (2021-11-26 14:25:05)
                             'size'  3266517