======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '321'
                                          'artist'  'Björk'
                                     'text_people'  ''
                                         'release'  'Biophilia'
                                           'title'  'Virus'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'icelandic', 'electronic', 'psychedelic', 'experimental']"
                                     'discogstags'  "['experimental', 'electronic', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '120.113'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Biophilia'
'TBPM' (BPM (beats per minute))                     '120.113'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Virus'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Björk'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['experimental', 'electronic', 'pop']
'TXXX:lastfmtags'                                   ['alternative', 'icelandic', 'electronic', 'psychedelic', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.706272'

========================== row from database ==========================
                                              'id'  202165
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Bjork/Bjork - Biophilia [mp3-320-2011]/07 - Virus.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  321
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  12850644
                                           'mtime'  1620645050
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Bjork Bjork [mp3 320 2011] 07 ifs songwriter eos
                                      'tag_artist'  Björk
                                     'tag_release'  Biophilia
                                       'tag_title'  Virus
                                             'bpm'  120.113
                                    'search_title'  'virus':1
                                   'search_artist'  'bjork':1,2
                                  'search_release'  'biophilia':1
                                     'search_rest'  '00singer':1 '2011':8,9 '320':7 'bjork':4 'eos':3 'ifs':10 'mp3':5,6 'songwriter':2
                                    'search_combo'  '00singer':5 '2011':12,13 '320':11 'biophilia':4C 'bjork':2B,3B,8 'eos':7 'ifs':14 'mp3':9,10 'songwriter':6 'virus':1A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'icelandic', 'electronic', 'psychedelic', 'experimental']
                                        'tag_date'  2011
                                     'discogstags'  ['experimental', 'electronic', 'pop']

============================== file details ==============================
                                           'mtime'  1620645049.8608904  (2021-05-10 13:10:49)
                             'size'  12850644