======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '214'
                                          'artist'  'Not The Carpenters'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Rose'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'Q-PIANO-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-squeaky;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '128.904'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '128.904'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-squeaky', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'The Rose'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Not The Carpenters'
'TXXX:Mp3gain_minmax'                               '067,183'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'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'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.611886'

========================== row from database ==========================
                                              'id'  1353127
                                            'path'  /data/Music/Bulk/00poprockelectronic/Carpenters/diversen/Not the Carpenters - The Rose.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  214
                                           'genre'  electronic-generic or radio-squeaky;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3432332
                                           'mtime'  1620352809
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic diversen the electronic generic or radio squeaky;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Not The Carpenters
                                     'tag_release'  None
                                       'tag_title'  The Rose
                                             'bpm'  128.904
                                    'search_title'  'rose':2 'the':1
                                   'search_artist'  'carpenters':3 'not':1 'the':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'diversen':2 'electronic':4 'generic':5 'mor':17 'or':6 'pl':12 'radio':7 'set':9,11,14,16 'shirleyspinoza':13,15 'squeaky':8,10 'the':3
                                    'search_combo'  '00poprockelectronic':6 'carpenters':5B 'diversen':7 'electronic':9 'generic':10 'mor':22 'not':3B 'or':11 'pl':17 'radio':12 'rose':2A 'set':14,16,19,21 'shirleyspinoza':18,20 'squeaky':13,15 'the':1A,4B,8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620352808.6620042  (2021-05-07 04:00:08)
                             'size'  3432332