======================== unified (from filesystem) ========================
                                         'bitrate'  '171.641'
                                        'duration'  '130'
                                          'artist'  'Pomplamoose'
                                     'text_people'  ''
                                         'release'  'VideoSongs'
                                           'title'  'Gatekeeper (Covering Feist)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'female vocalists', 'soul', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop', 'alternative rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '116.520'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'VideoSongs'
'TBPM' (BPM (beats per minute))                     '116.520'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Gatekeeper (Covering Feist)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pomplamoose'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop', 'alternative rock', 'pop rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'female vocalists', 'soul', '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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.45 dB'
'TXXX:replaygain_track_peak'                        '0.706854'

========================== row from database ==========================
                                              'id'  173251
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Pomplamoose/12-pomplamoose-gatekeeper_(covering_feist)-tgb.mp3
                                         'working'  None
                                         'bitrate'  171
                                    'duration_sec'  130
                                           'genre'  ifs-songwriter
                                        'filesize'  2802902
                                           'mtime'  1628356660
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 12 pomplamoose gatekeeper_(covering_feist) tgb ifs songwriter
                                      'tag_artist'  Pomplamoose
                                     'tag_release'  VideoSongs
                                       'tag_title'  Gatekeeper (Covering Feist)
                                             'bpm'  116.52
                                    'search_title'  'covering':2,3 'feist':4,5 'gatekeeper':1
                                   'search_artist'  'pomplamoose':1
                                  'search_release'  'songs':3 'video':2 'videosongs':1
                                     'search_rest'  '00singer':1 'covering':6,9 'eos':3 'feist':7,10 'gatekeeper':5,8 'ifs':12 'pomplamoose':4 'songwriter':2 'tgb':11
                                    'search_combo'  '00singer':10 'covering':2A,3A,15,18 'eos':12 'feist':4A,5A,16,19 'gatekeeper':1A,14,17 'ifs':21 'pomplamoose':6B,13 'songs':9C 'songwriter':11 'tgb':20 'video':8C 'videosongs':7C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'female vocalists', 'soul', 'singer songwriter']
                                        'tag_date'  2009
                                     'discogstags'  ['rock', 'pop', 'alternative rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1628356660.2123969  (2021-08-07 19:17:40)
                             'size'  2802902