======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '327'
                                          'artist'  'Amanda Palmer'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-1', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  ("['punk cabaret', 'piano', 'female vocalists', 'alternative', 'singer "
 "songwriter']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-eos'
                                             'bpm'  '118.775'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '118.775'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-eos']
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'Lavf51.12.2'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Amanda Palmer'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['punk cabaret',
 'piano',
 'female vocalists',
 'alternative',
 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.15 dB'
'TXXX:replaygain_track_peak'                        '0.571914'

========================== row from database ==========================
                                              'id'  1362218
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Dresden Dolls & Amanda Palmer/Live, misc/Amanda Palmer  - Guitar Hero (Live From Sxips Hour of Charm).mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  327
                                           'genre'  ifs-songwriter;ifs-songwriter-eos
                                        'filesize'  2624885
                                           'mtime'  1636401349
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos Dresden Dolls & Live, misc Guitar Hero (Live From Sxips Hour of Charm) ifs songwriter;ifs songwriter eos
                                      'tag_artist'  Amanda Palmer
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  118.775
                                    'search_title'  None
                                   'search_artist'  'amanda':1 'palmer':2
                                  'search_release'  
                                     'search_rest'  '00singer':1 '00songwriter':4 'charm':17,18 'dolls':6 'dresden':5 'eos':3 'from':13 'guitar':10 'hero':11 'hour':15 'ifs':19,21,23 'live':7,8,12 'misc':9 'of':16 'songwriter':2,20,22 'sxips':14
                                    'search_combo'  '00singer':3 '00songwriter':6 'amanda':1B 'charm':19,20 'dolls':8 'dresden':7 'eos':5 'from':15 'guitar':12 'hero':13 'hour':17 'ifs':21,23,25 'live':9,10,14 'misc':11 'of':18 'palmer':2B 'songwriter':4,22,24 'sxips':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['punk cabaret', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636401348.8209453  (2021-11-08 20:55:48)
                             'size'  2624885