======================== unified (from filesystem) ========================
                                         'bitrate'  '264.591'
                                        'duration'  '267'
                                          'artist'  '10cc'
                                     'text_people'  ''
                                         'release'  'Tenology (4CD+DVD) CD3'
                                           'title'  'Blackmail (1975)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['british', 'rock', 'pop', '70s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '18'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft'
                                             'bpm'  '144.748'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'ExactAudioCopy v1.0b3'
'COMM:ID3v1 Comment:XXX'                            'ExactAudioCopy v1.0b3'
'TALB' (Album/Movie/Show title)                     'Tenology (4CD+DVD) CD3'
'TBPM' (BPM (beats per minute))                     '144.748'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-soft'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Blackmail (1975)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               '10cc'
'TPE2' (Band/orchestra/accompaniment)               '10cc'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/18'
'TXXX:DISCID'                                       'F7123D12'
'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'                                   ['british', 'rock', 'pop', '70s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.14 dB'
'TXXX:replaygain_track_peak'                        '0.575883'

========================== row from database ==========================
                                              'id'  1294896
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/10cc/10cc - Tenology CD 3/09. Blackmail (1975).mp3
                                         'working'  None
                                         'bitrate'  264
                                    'duration_sec'  267
                                           'genre'  rock-pop-soft
                                        'filesize'  8849017
                                           'mtime'  1620736346
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 09. rock pop soft
                                      'tag_artist'  10cc
                                     'tag_release'  Tenology (4CD+DVD) CD3
                                       'tag_title'  Blackmail (1975)
                                             'bpm'  144.748
                                    'search_title'  '1975':2,3 'blackmail':1
                                   'search_artist'  '10cc':1
                                  'search_release'  '4cd':2,4 'cd3':6 'dvd':3,5 'tenology':1
                                     'search_rest'  '00poprockelectronic':1 '09':4,5 'indierock':3 'pop':7 'poprock':2 'rock':6 'soft':8
                                    'search_combo'  '00poprockelectronic':11 '09':14,15 '10cc':4B '1975':2A,3A '4cd':6C,8C 'blackmail':1A 'cd3':10C 'dvd':7C,9C 'indierock':13 'pop':17 'poprock':12 'rock':16 'soft':18 'tenology':5C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['british', 'rock', 'pop', '70s', 'classic rock']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736345.7008417  (2021-05-11 14:32:25)
                             'size'  8849017