======================== unified (from filesystem) ========================
                                         'bitrate'  '183.936'
                                        'duration'  '174'
                                          'artist'  'The Hiltionaires'
                                     'text_people'  ''
                                         'release'  'Big Bamboo [Island Music JA]'
                                           'title'  'Going Back To See Her'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'loc-islands-jamaica'
                                             'bpm'  '128.251'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         "Eiderman's Hi-Fi"
'COMM:ID3v1 Comment:XXX'                            "Eiderman's Hi-Fi"
'TALB' (Album/Movie/Show title)                     'Big Bamboo [Island Music JA]'
'TBPM' (BPM (beats per minute))                     '128.251'
'TCON' (Content type, a.k.a. Genre)                 'loc-islands-jamaica'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Going Back To See Her'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Hiltionaires'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.39 dB'
'TXXX:replaygain_track_peak'                        '0.703245'

========================== row from database ==========================
                                              'id'  745860
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/hiltonaires - big bamboo (1968)/b6 - going back to see her.mp3
                                         'working'  None
                                         'bitrate'  183
                                    'duration_sec'  174
                                           'genre'  loc-islands-jamaica
                                        'filesize'  4018403
                                           'mtime'  1621626192
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country hiltonaires big bamboo (1968) b6 going back to see her loc islands jamaica
                                      'tag_artist'  The Hiltionaires
                                     'tag_release'  Big Bamboo [Island Music JA]
                                       'tag_title'  Going Back To See Her
                                             'bpm'  128.251
                                    'search_title'  'back':2 'going':1 'her':5 'see':4 'to':3
                                   'search_artist'  'hiltionaires':2 'the':1
                                  'search_release'  'bamboo':2 'big':1 'island':3,4 'ja':6,7 'music':5
                                     'search_rest'  '1968':8,9 'b6':10 'back':12 'bamboo':7 'big':6 'country':4 'exotica':2 'going':11 'her':15 'hiltonaires':5 'islands':17 'jamaica':18 'jazz':1 'loc':16 'oldies':3 'see':14 'to':13
                                    'search_combo'  '1968':22,23 'b6':24 'back':2A,26 'bamboo':9C,21 'big':8C,20 'country':18 'exotica':16 'going':1A,25 'her':5A,29 'hiltionaires':7B 'hiltonaires':19 'island':10C,11C 'islands':31 'ja':13C,14C 'jamaica':32 'jazz':15 'loc':30 'music':12C 'oldies':17 'see':4A,28 'the':6B 'to':3A,27
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626191.7582154  (2021-05-21 21:43:11)
                             'size'  4018403