======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '220'
                                          'artist'  'Suzanne Vega'
                                     'text_people'  ''
                                         'release'  'Suzanne Vega'
                                           'title'  'Marlene On The Wall'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop', 'folk, world, & country', 'soft rock', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;set-pl-zomg80s'
                                             'bpm'  '111.149'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Suzanne Vega'
'TBPM' (BPM (beats per minute))                     '111.149'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'set-pl-zomg80s']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Marlene On The Wall'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Suzanne Vega'
'TRCK' (Track number/Position in set)               '3'
'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', 'pop', 'folk, world, & country', 'soft rock', 'folk']
'TXXX:lastfmtags'                                   ['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.29 dB'
'TXXX:replaygain_track_peak'                        '0.768637'

========================== row from database ==========================
                                              'id'  181667
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Suzanne Vega/Suzanne Vega/03 - Marlene On The Wall.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  220
                                           'genre'  ifs-songwriter;set-pl-zomg80s
                                        'filesize'  8828258
                                           'mtime'  1638554944
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 03 ifs songwriter;set pl zomg80s
                                      'tag_artist'  Suzanne Vega
                                     'tag_release'  Suzanne Vega
                                       'tag_title'  Marlene On The Wall
                                             'bpm'  111.149
                                    'search_title'  'marlene':1 'on':2 'the':3 'wall':4
                                   'search_artist'  'suzanne':1 'vega':2
                                  'search_release'  'suzanne':1 'vega':2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'pl':9 'set':6,8 'songwriter':2,5,7 'zomg80s':10
                                    'search_combo'  '00singer':9 'eos':11 'ifs':12 'marlene':1A 'on':2A 'pl':17 'set':14,16 'songwriter':10,13,15 'suzanne':5B,7C 'the':3A 'vega':6B,8C 'wall':4A 'zomg80s':18
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12A
                                           '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-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']
                                        'tag_date'  1985
                                     'discogstags'  ['rock', 'pop', 'folk, world, & country', 'soft rock', 'folk']

============================== file details ==============================
                                           'mtime'  1638554943.6844995  (2021-12-03 19:09:03)
                             'size'  8828258