======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '161'
                                          'artist'  'Brian Bennett'
                                     'text_people'  'Brian Bennett'
                                         'release'  'Aim High: The Televisual Soundtrack ( At KPM 1973-1976)'
                                           'title'  'Grand Funk (1973-1976)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-UNU-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'jazz funk', 'jazz', 'library music', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '20'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'soundtrack-library'
                                             'bpm'  '109.468'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000085F 0000101A 000036B5 000073C4 0001C00F 0001980F 00007928 00007DD3 '
 '00023DFA 00023DFA')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000708 00000000006C8268 00000000 0062536E 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '20+774C914BC830A7707FF6D9B552D0491C+5019057'
'TALB' (Album/Movie/Show title)                     'Aim High: The Televisual Soundtrack ( At KPM 1973-1976)'
'TBPM' (BPM (beats per minute))                     '109.468'
'TCOM' (Composer)                                   'Brian Bennett'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-library'
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'iTunes v7.0.2.16'
'TIT2' (Title/songname/content description)         'Grand Funk (1973-1976)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Brian Bennett'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '18/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'jazz funk', 'jazz', 'library music', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.38 dB'
'TXXX:replaygain_track_peak'                        '0.494178'

========================== row from database ==========================
                                              'id'  1258727
                                            'path'  /data/Music/Bulk/0soundtrack/aim high brian bennett at kpm 1973-1976 brian bennet/18 grand funk (1973-1976).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  161
                                           'genre'  soundtrack-library
                                        'filesize'  6454554
                                           'mtime'  1636923257
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack aim high brian bennett at kpm brian bennet 18 grand funk soundtrack library
                                      'tag_artist'  Brian Bennett
                                     'tag_release'  Aim High: The Televisual Soundtrack ( At KPM 1973-1976)
                                       'tag_title'  Grand Funk (1973-1976)
                                             'bpm'  109.468
                                    'search_title'  '1973':3 '19731976':5 '1976':4 'funk':2 'grand':1
                                   'search_artist'  'bennett':2 'brian':1
                                  'search_release'  '1973':9 '19731976':11 '1976':10 'aim':1 'at':7 'high':2,3 'kpm':8 'soundtrack':6 'televisual':5 'the':4
                                     'search_rest'  '0soundtrack':1 '18':9 'aim':2 'at':6 'bennet':8 'bennett':5 'brian':4 'funk':11 'grand':10 'high':3 'kpm':7 'library':13 'soundtrack':12
                                    'search_combo'  '0soundtrack':19 '18':27 '1973':3A,16C '19731976':5A,18C '1976':4A,17C 'aim':8C,20 'at':14C,24 'bennet':26 'bennett':7B,23 'brian':6B,22 'funk':2A,29 'grand':1A,28 'high':9C,10C,21 'kpm':15C,25 'library':31 'soundtrack':13C,30 'televisual':12C 'the':11C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'jazz funk', 'jazz', 'library music', 'funk']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636923257.4033065  (2021-11-14 21:54:17)
                             'size'  6454554