======================== unified (from filesystem) ========================
                                         'bitrate'  '209.105'
                                        'duration'  '146'
                                          'artist'  'Agnes Obel'
                                     'text_people'  ''
                                         'release'  'Philharmonics'
                                           'title'  'Wallflower'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-2', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['danish', 'fip', 'female vocalists', 'piano', 'folk', 'singer songwriter']"
                                     'discogstags'  "['folk, world, & country', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '119.829'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Philharmonics'
'TBPM' (BPM (beats per minute))                     '119.829'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Wallflower'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Agnes Obel'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['folk, world, & country', 'folk']
'TXXX:lastfmtags'                                   ['danish', 'fip', 'female vocalists', 'piano', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.50 dB'
'TXXX:replaygain_track_peak'                        '0.424014'

========================== row from database ==========================
                                              'id'  1262504
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/agnes obel - philarmonics (2010)/10 - wallflower.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  146
                                           'genre'  ifs-songwriter
                                        'filesize'  3828273
                                           'mtime'  1636915767
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos agnes obel philarmonics (2010) 10 wallflower ifs songwriter
                                      'tag_artist'  Agnes Obel
                                     'tag_release'  Philharmonics
                                       'tag_title'  Wallflower
                                             'bpm'  119.829
                                    'search_title'  'wallflower':1
                                   'search_artist'  'agnes':1 'obel':2
                                  'search_release'  'philharmonics':1
                                     'search_rest'  '00singer':1 '2010':7,8 'agnes':4 'eos':3 'ifs':10 'obel':5 'philarmonics':6 'songwriter':2 'wallflower':9
                                    'search_combo'  '00singer':5 '2010':11,12 'agnes':2B,8 'eos':7 'ifs':14 'obel':3B,9 'philarmonics':10 'philharmonics':4C 'songwriter':6 'wallflower':1A,13
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['danish', 'fip', 'female vocalists', 'piano', 'folk', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  ['folk, world, & country', 'folk']

============================== file details ==============================
                                           'mtime'  1636915767.147482  (2021-11-14 19:49:27)
                             'size'  3828273