======================== unified (from filesystem) ========================
                                         'bitrate'  '249.508'
                                        'duration'  '321'
                                          'artist'  'Nitzer Ebb'
                                     'text_people'  ''
                                         'release'  'Body of work'
                                           'title'  'Lakside Drive (Remix)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '30'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '106.869'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Lb MUTE C 0094639673625'
'TALB' (Album/Movie/Show title)                     'Body of work'
'TBPM' (BPM (beats per minute))                     '106.869'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Lakside Drive (Remix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nitzer Ebb'
'TRCK' (Track number/Position in set)               '30'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.294117'

========================== row from database ==========================
                                              'id'  1397739
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Nitzer Ebb/Nitzer_Ebb-Body_Of_Work-2CD-2006-FWYH/Nitzer_Ebb-Body_Of_Work-2CD-2006-FWYH/211_lakside_drive_(remix)-fwyh.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  321
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  10024334
                                           'mtime'  1620296043
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth Nitzer_Ebb Body_Of_Work 2CD 2006 FWYH Nitzer_Ebb Body_Of_Work 2CD 2006 FWYH 211_lakside_drive_(remix) fwyh eid ebm industrial darkwave
                                      'tag_artist'  Nitzer Ebb
                                     'tag_release'  Body of work
                                       'tag_title'  Lakside Drive (Remix)
                                             'bpm'  106.869
                                    'search_title'  'drive':2 'lakside':1 'remix':3,4
                                   'search_artist'  'ebb':2 'nitzer':1
                                  'search_release'  'body':1 'of':2 'work':3
                                     'search_rest'  '00dwimp':1 '00ebm':2 '2006':12 '211':14,18 '2cd':11 'body':8 'darkwave':4 'drive':16,20 'ebb':7 'ebm':23 'eid':22 'fwyh':13 'goth':5 'industrial':3 'lakside':15,19 'nitzer':6 'of':9 'remix':17,21 'work':10
                                    'search_combo'  '00dwimp':10 '00ebm':11 '2006':21 '211':23,27 '2cd':20 'body':7C,17 'darkwave':13 'drive':2A,25,29 'ebb':6B,16 'ebm':32 'eid':31 'fwyh':22 'goth':14 'industrial':12 'lakside':1A,24,28 'nitzer':5B,15 'of':8C,18 'remix':3A,4A,26,30 'work':9C,19
                                    'tag_tracknum'  30
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  []
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620296042.8317509  (2021-05-06 12:14:02)
                             'size'  10024334