======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '116'
                                          'artist'  'David Snell'
                                     'text_people'  'Snell'
                                         'release'  'The Sound Gallery Volume Two'
                                           'title'  "International Flight ('73)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'all', 'jazz', 'secretagent', 'harp']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '27'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '121.8'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '[Scamp SCP 9723-2] CD'
'COMM:iTunNORM:eng'                                 (' 000000B3 00000117 0000142D 0000779F 0001AE82 0000C6E0 00005D20 000061C1 '
 '0001B91F 00019C72')
'COMM:iTunes_CDDB_IDs:eng'                          '27+434C1BDD52F5BD6E54720DE2C2D9CBEA+1296503'
'TALB' (Album/Movie/Show title)                     'The Sound Gallery Volume Two'
'TBPM' (BPM (beats per minute))                     '121.8'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Snell'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1996'
'TENC' (Encoded by)                                 'iTunes v4.9'
'TIT2' (Title/songname/content description)         "International Flight ('73)"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'David Snell'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16/27'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'all', 'jazz', 'secretagent', 'harp']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.49 dB'
'TXXX:replaygain_track_peak'                        '0.739166'

========================== row from database ==========================
                                              'id'  1529729
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/David Snell - International Flight (_73).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  116
                                           'genre'  funk or soul
                                        'filesize'  2804676
                                           'mtime'  1628357649
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s (_73) funk or soul
                                      'tag_artist'  David Snell
                                     'tag_release'  The Sound Gallery Volume Two
                                       'tag_title'  International Flight ('73)
                                             'bpm'  121.8
                                    'search_title'  '73':3,4 'flight':2 'international':1
                                   'search_artist'  'david':1 'snell':2
                                  'search_release'  'gallery':3 'sound':2 'the':1 'two':5 'volume':4
                                     'search_rest'  '70':6 '73':8,9 'easy':4 'funk':2 'instr':5 'or':10 's':7 'soul':3 'swing':1
                                    'search_combo'  '70':17 '73':3A,4A,19,20 'david':5B 'easy':15 'flight':2A 'funk':13 'gallery':9C 'instr':16 'international':1A 'or':21 's':18 'snell':6B 'soul':14 'sound':8C 'swing':12 'the':7C 'two':11C 'volume':10C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'all', 'jazz', 'secretagent', 'harp']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357649.293427  (2021-08-07 19:34:09)
                             'size'  2804676