======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '206'
                                          'artist'  'M. Ward'
                                     'text_people'  ''
                                         'release'  'Hold Time'
                                           'title'  'Rave On'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'singer songwritergdchill', 'faves', 'folk', 'good stuff']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '112.758'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000DDE 00000000 00002DA3'
'COMM:iTunNORM:eng'                                 (' 00000DDE 00000000 00002DA3 00000000 0002BF20 00000000 00007DBB 00000000 '
 '0001ADB0 00000000')
'TALB' (Album/Movie/Show title)                     'Hold Time'
'TBPM' (BPM (beats per minute))                     '112.758'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Rave On'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'M. Ward'
'TPE2' (Band/orchestra/accompaniment)               'M. Ward'
'TPUB' (Publisher)                                  'Merge Records'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'singer songwritergdchill', 'faves', 'folk', 'good stuff']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.74 dB'
'TXXX:replaygain_track_peak'                        '0.439582'

========================== row from database ==========================
                                              'id'  1259079
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/M. Ward/Hold Time/05 m. ward - rave on.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  206
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  5058560
                                           'mtime'  1636400467
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 05 m. ward rave on ifs songwriter indie
                                      'tag_artist'  M. Ward
                                     'tag_release'  Hold Time
                                       'tag_title'  Rave On
                                             'bpm'  112.758
                                    'search_title'  'on':2 'rave':1
                                   'search_artist'  'm':1,2 'ward':3
                                  'search_release'  'hold':1 'time':2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':9 'indie':10 'm':4,5 'on':8 'rave':7 'songwriter':2 'ward':6
                                    'search_combo'  '00singer':8 'eos':10 'hold':6C 'ifs':16 'indie':17 'm':3B,4B,11,12 'on':2A,15 'rave':1A,14 'songwriter':9 'time':7C 'ward':5B,13
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'singer songwritergdchill', 'faves', 'folk', 'good stuff']
                                        'tag_date'  2009
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636400467.0636551  (2021-11-08 20:41:07)
                             'size'  5058560