======================== unified (from filesystem) ========================
                                         'bitrate'  '160.658'
                                        'duration'  '290'
                                          'artist'  'Regina Spektor'
                                     'text_people'  ''
                                         'release'  'Songs'
                                           'title'  'Daniel Cowman'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'folk rock', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '98.645'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Songs'
'TBPM' (BPM (beats per minute))                     '98.645'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Daniel Cowman'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Regina Spektor'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'folk, world, & country', 'folk rock', 'folk']
'TXXX:lastfmtags'                                   ['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
'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'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.03 dB'
'TXXX:replaygain_track_peak'                        '0.368342'

========================== row from database ==========================
                                              'id'  1368710
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Regina Spektor/06 - Regina Spektor - Daniel Cowman.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  290
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  5846456
                                           'mtime'  1628354074
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos 06 ifs songwriter eos
                                      'tag_artist'  Regina Spektor
                                     'tag_release'  Songs
                                       'tag_title'  Daniel Cowman
                                             'bpm'  98.645
                                    'search_title'  'cowman':2 'daniel':1
                                   'search_artist'  'regina':1 'spektor':2
                                  'search_release'  'songs':1
                                     'search_rest'  '00singer':1 '00songwriter':4 'eos':3 'ifs':5 'songwriter':2
                                    'search_combo'  '00singer':6 '00songwriter':9 'cowman':2A 'daniel':1A 'eos':8 'ifs':10 'regina':3B 'songs':5C 'songwriter':7 'spektor':4B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk rock', 'folk']

============================== file details ==============================
                                           'mtime'  1628354074.3703125  (2021-08-07 18:34:34)
                             'size'  5846456