======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '28'
                                          'artist'  "For Heaven's Sake!"
                                     'text_people'  ''
                                         'release'  "For Heaven's Sake!"
                                           'title'  'A Drop in the Bucket'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1961'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech'
                                             'bpm'  '100.555'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '365 Days Project'
'COMM:ID3v1 Comment:XXX'                            '365 Days Project'
'TALB' (Album/Movie/Show title)                     "For Heaven's Sake!"
'TBPM' (BPM (beats per minute))                     '100.555'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech'
'TDRC' (Recording time)                             '1961'
'TIT2' (Title/songname/content description)         'A Drop in the Bucket'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               "For Heaven's Sake!"
'TRCK' (Track number/Position in set)               '12'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.62 dB'
'TXXX:replaygain_track_peak'                        '0.940621'

========================== row from database ==========================
                                              'id'  1312492
                                            'path'  /data/Music/Bulk/00poprockelectronic/11/319_12_For_Heavens_Sake_-_A_Drop_in_the_Bucket.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  28
                                           'genre'  nonmusic-speech
                                        'filesize'  520915
                                           'mtime'  1636917561
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 319_12_For_Heavens_Sake_ _A_Drop_in_the_Bucket nonmusic speech
                                      'tag_artist'  For Heaven's Sake!
                                     'tag_release'  For Heaven's Sake!
                                       'tag_title'  A Drop in the Bucket
                                             'bpm'  100.555
                                    'search_title'  'a':1 'bucket':5 'drop':2 'in':3 'the':4
                                   'search_artist'  'for':1 'heaven':2 'heavens':4 's':3 'sake':5
                                  'search_release'  'for':1 'heaven':2 'heavens':4 's':3 'sake':5
                                     'search_rest'  '00poprockelectronic':1 '12':3 '319':2 'a':7 'bucket':11 'drop':8 'for':4 'heavens':5 'in':9 'nonmusic':12 'sake':6 'speech':13 'the':10
                                    'search_combo'  '00poprockelectronic':16 '12':18 '319':17 'a':1A,22 'bucket':5A,26 'drop':2A,23 'for':6B,11C,19 'heaven':7B,12C 'heavens':9B,14C,20 'in':3A,24 'nonmusic':27 's':8B,13C 'sake':10B,15C,21 'speech':28 'the':4A,25
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  12A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1961
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636917561.058477  (2021-11-14 20:19:21)
                             'size'  520915