======================== unified (from filesystem) ========================
                                         'bitrate'  '236.15'
                                        'duration'  '542'
                                          'artist'  'Pink'
                                     'text_people'  ''
                                         'release'  'Stupid Girls CDM'
                                           'title'  'Stupid Girls (Junior Vasquez &'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']")
                                      'lastfmtags'  "['pop rock', 'female vocalists', 'punk', 'pop', 'rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '128.008'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Stupid Girls CDM'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Stupid Girls (Junior Vasquez &'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pink'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['pop rock', 'female vocalists', 'punk', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.40 dB'
'TXXX:replaygain_track_peak'                        '0.396670'

========================== row from database ==========================
                                              'id'  1314100
                                            'path'  /data/Music/Bulk/00poprockelectronic/Pink/Stupid Girls CDM__cifs4da1.mp3
                                         'working'  None
                                         'bitrate'  236
                                    'duration_sec'  542
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  16016526
                                           'mtime'  1620571746
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic CDM__cifs4da1 electronic generic radio dance
                                      'tag_artist'  Pink
                                     'tag_release'  Stupid Girls CDM
                                       'tag_title'  Stupid Girls (Junior Vasquez &
                                             'bpm'  128.008
                                    'search_title'  'girls':2 'junior':3,4 'stupid':1 'vasquez':5
                                   'search_artist'  'pink':1
                                  'search_release'  'cdm':3 'girls':2 'stupid':1
                                     'search_rest'  '00poprockelectronic':1 'cdm':2 'cifs4da1':3 'dance':7 'electronic':4 'generic':5 'radio':6
                                    'search_combo'  '00poprockelectronic':10 'cdm':9C,11 'cifs4da1':12 'dance':16 'electronic':13 'generic':14 'girls':2A,8C 'junior':3A,4A 'pink':6B 'radio':15 'stupid':1A,7C 'vasquez':5A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop rock', 'female vocalists', 'punk', 'pop', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620571746.0383568  (2021-05-09 16:49:06)
                             'size'  16016526