======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '233'
                                          'artist'  'Björk'
                                     'text_people'  ''
                                         'release'  'New Pure Moods (disc 2)'
                                           'title'  'Play Dead (feat. David Arnold)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '103.062'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'New Pure Moods (disc 2)'
'TBPM' (BPM (beats per minute))                     '103.062'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Play Dead (feat. David Arnold)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Björk'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.59 dB'
'TXXX:replaygain_track_peak'                        '0.727596'

========================== row from database ==========================
                                              'id'  198074
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Bjork/MBZ;#Bj_rk;#New Pure Moods (disc 2);#05;#Play Dead (feat. David Arnold).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  233
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  5611859
                                           'mtime'  1637330486
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Bjork MBZ;#Bj_rk;#New 2);#05;#Play ifs songwriter eos
                                      'tag_artist'  Björk
                                     'tag_release'  New Pure Moods (disc 2)
                                       'tag_title'  Play Dead (feat. David Arnold)
                                             'bpm'  103.062
                                    'search_title'  'arnold':6,7 'david':5 'dead':2 'feat':3,4 'play':1
                                   'search_artist'  'bjork':1,2
                                  'search_release'  '2':6,7 'disc':4,5 'moods':3 'new':1 'pure':2
                                     'search_rest'  '00singer':1 '05':14,17 '2':13,16 'bj':6,10 'bjork':4 'eos':3 'ifs':19 'mbz':5,9 'new':8,12 'play':15,18 'rk':7,11 'songwriter':2
                                    'search_combo'  '00singer':17 '05':30,33 '2':15C,16C,29,32 'arnold':6A,7A 'bj':22,26 'bjork':8B,9B,20 'david':5A 'dead':2A 'disc':13C,14C 'eos':19 'feat':3A,4A 'ifs':35 'mbz':21,25 'moods':12C 'new':10C,24,28 'play':1A,31,34 'pure':11C 'rk':23,27 'songwriter':18
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330486.1700737  (2021-11-19 15:01:26)
                             'size'  5611859