======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '218'
                                          'artist'  'The Chad Mitchell Trio'
                                     'text_people'  ''
                                         'release'  'Belafonte: Returns to Carnegie'
                                           'title'  'The Ballad of Sigmund Freud'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-chart-2', 'q-drums-1', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', 'singer-songwriter', 'trio', 'need to rate', 'under 2000 listeners']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '140.044'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '1960s'
'TALB' (Album/Movie/Show title)                     'Belafonte: Returns to Carnegie'
'TBPM' (BPM (beats per minute))                     '140.044'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'The Ballad of Sigmund Freud'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Chad Mitchell Trio'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk', 'singer-songwriter', 'trio', 'need to rate', 'under 2000 listeners']
'TXXX:q-bass'                                       '3'
'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-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.687828'

========================== row from database ==========================
                                              'id'  251140
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Harry Belafonte/Ultimate Collection-Hq__Harry Belafonte - The Ballad of Sigmund Freud.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  218
                                           'genre'  ifs-songwriter
                                        'filesize'  4363891
                                           'mtime'  1637330789
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Harry Ultimate Collection Hq__Harry ifs songwriter
                                      'tag_artist'  The Chad Mitchell Trio
                                     'tag_release'  Belafonte: Returns to Carnegie
                                       'tag_title'  The Ballad of Sigmund Freud
                                             'bpm'  140.044
                                    'search_title'  'ballad':2 'freud':5 'of':3 'sigmund':4 'the':1
                                   'search_artist'  'chad':2 'mitchell':3 'the':1 'trio':4
                                  'search_release'  'belafonte':1,2 'carnegie':5 'returns':3 'to':4
                                     'search_rest'  '00singer':1 'collection':6 'eos':3 'harry':4,8 'hq':7 'ifs':9 'songwriter':2 'ultimate':5
                                    'search_combo'  '00singer':15 'ballad':2A 'belafonte':10C,11C 'carnegie':14C 'chad':7B 'collection':20 'eos':17 'freud':5A 'harry':18,22 'hq':21 'ifs':23 'mitchell':8B 'of':3A 'returns':12C 'sigmund':4A 'songwriter':16 'the':1A,6B 'to':13C 'trio':9B 'ultimate':19
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'singer-songwriter', 'trio', 'need to rate', 'under 2000 listeners']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330789.3491058  (2021-11-19 15:06:29)
                             'size'  4363891