======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '232'
                                          'artist'  'Freezepop'
                                     'text_people'  ''
                                         'release'  'Freezepop Forever'
                                           'title'  'T DJ'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-4', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'Q-OLDST-4', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-4']")
                                      'lastfmtags'  "['electronica', 'trance', 'techno', 'post rock', 'pop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  ('electronic-we-electropop or '
 'synthpop;set-pl-sced;electronic-we-electro-electroclash')
                                             'bpm'  '101.462'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Freezepop Forever'
'TBPM' (BPM (beats per minute))                     '101.462'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electropop or synthpop',
 'set-pl-sced',
 'electronic-we-electro-electroclash']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'T DJ'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Freezepop'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['electronica', 'trance', 'techno', 'post rock', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.19 dB'
'TXXX:replaygain_track_peak'                        '0.437621'

========================== row from database ==========================
                                              'id'  1313826
                                            'path'  /data/Music/Bulk/00poprockelectronic/Freezepop/Freezepop - Forever/Freezepop-forever-06-T_DJ_on_wmbr.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  232
                                           'genre'  electronic-we-electropop or synthpop;set-pl-sced;electronic-we-electro-electroclash
                                        'filesize'  5591924
                                           'mtime'  1639842983
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic forever 06 T_DJ_on_wmbr electronic we electropop synthpop;set pl sced;electronic we electro electroclash
                                      'tag_artist'  Freezepop
                                     'tag_release'  Freezepop Forever
                                       'tag_title'  T DJ
                                             'bpm'  101.462
                                    'search_title'  'dj':2 't':1
                                   'search_artist'  'freezepop':1
                                  'search_release'  'forever':2 'freezepop':1
                                     'search_rest'  '00poprockelectronic':1 'dj':4 'electro':19 'electroclash':20 'electronic':7,16,18 'electropop':9 'forever':2 'on':5 'pl':14 'sced':15,17 'set':11,13 'synthpop':10,12 't':3 'we':8 'wmbr':6
                                    'search_combo'  '00poprockelectronic':6 'dj':2A,9 'electro':24 'electroclash':25 'electronic':12,21,23 'electropop':14 'forever':5C,7 'freezepop':3B,4C 'on':10 'pl':19 'sced':20,22 'set':16,18 'synthpop':15,17 't':1A,8 'we':13 'wmbr':11
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['electronica', 'trance', 'techno', 'post rock', 'pop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1639842983.2035005  (2021-12-18 16:56:23)
                             'size'  5591924