======================== unified (from filesystem) ========================
                                         'bitrate'  '156.392'
                                        'duration'  '211'
                                          'artist'  'Client'
                                     'text_people'  ''
                                         'release'  'Zerox Machine CDM'
                                           'title'  'Zerox Machine (Robert Görl Strange Pistol Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'female vocalists', 'electroclash', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-electroclash'
                                             'bpm'  '96.622'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Zerox Machine CDM'
'TBPM' (BPM (beats per minute))                     '96.622'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electroclash'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Zerox Machine (Robert Görl Strange Pistol Mix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Client'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'female vocalists', 'electroclash', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.41 dB'
'TXXX:replaygain_track_peak'                        '0.630989'

========================== row from database ==========================
                                              'id'  1330062
                                            'path'  /data/Music/Bulk/00poprockelectronic/00clash/Client/Zerox Machine CDM__04 - Zerox Machine (Robert Gorl Strange Pistol Mix).mp3
                                         'working'  None
                                         'bitrate'  156
                                    'duration_sec'  211
                                           'genre'  electronic-we-electroclash
                                        'filesize'  4142603
                                           'mtime'  1620561129
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00clash CDM__04 Gorl electronic we electroclash
                                      'tag_artist'  Client
                                     'tag_release'  Zerox Machine CDM
                                       'tag_title'  Zerox Machine (Robert Görl Strange Pistol Mix)
                                             'bpm'  96.622
                                    'search_title'  'gorl':5,6 'machine':2 'mix':9,10 'pistol':8 'robert':3,4 'strange':7 'zerox':1
                                   'search_artist'  'client':1
                                  'search_release'  'cdm':3 'machine':2 'zerox':1
                                     'search_rest'  '00clash':2 '00poprockelectronic':1 '04':4 'cdm':3 'electroclash':8 'electronic':6 'gorl':5 'we':7
                                    'search_combo'  '00clash':16 '00poprockelectronic':15 '04':18 'cdm':14C,17 'client':11B 'electroclash':22 'electronic':20 'gorl':5A,6A,19 'machine':2A,13C 'mix':9A,10A 'pistol':8A 'robert':3A,4A 'strange':7A 'we':21 'zerox':1A,12C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'female vocalists', 'electroclash', 'electronic', 'synthpop']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620561128.8387852  (2021-05-09 13:52:08)
                             'size'  4142603