======================== unified (from filesystem) ========================
                                         'bitrate'  '167.828'
                                        'duration'  '799'
                                          'artist'  'Fairport Convention'
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                                         'release'  'Babbacombe Lee'
                                           'title'  ('When it comes, he cannot sleep, but when he does, a strange, prophetic dream '
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                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['folk rock', 'british folk', 'british', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '5'
                                            'date'  '2001'
                                        'comments'  ''
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                                             'bpm'  '129.646'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '3A09B105'
'COMM:ID3v1 Comment:XXX'                            '3A09B105'
'TALB' (Album/Movie/Show title)                     'Babbacombe Lee'
'TBPM' (BPM (beats per minute))                     '129.646'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         ('When it comes, he cannot sleep, but when he does, a strange, prophetic dream '
 'comes to him, and help')
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fairport Convention'
'TRCK' (Track number/Position in set)               '5/5'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk rock', 'british folk', 'british', 'folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.15 dB'
'TXXX:replaygain_track_peak'                        '1.014046'

========================== row from database ==========================
                                              'id'  1256843
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Fairport Convention/Babbacombe Lee/Fairport Convention - When it Comes, He Cannot Sleep, But When He Does, A Strange, Prophetic Dream Comes to Him, and Help - 05.mp3
                                         'working'  None
                                         'bitrate'  167
                                    'duration_sec'  799
                                           'genre'  soundtrack-video
                                        'filesize'  16783710
                                           'mtime'  1622758070
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Comes, He Cannot Sleep, But He Does, A Strange, Prophetic Dream Comes Him, Help 05 soundtrack video
                                      'tag_artist'  Fairport Convention
                                     'tag_release'  Babbacombe Lee
                                       'tag_title'  When it comes, he cannot sleep, but when he does, a strange, prophetic dream comes to him, and help
                                             'bpm'  129.646
                                    'search_title'  'a':12 'and':20 'but':9 'cannot':6 'comes':3,4 'does':10,11 'dream':16 'he':5 'help':21 'him':18,19 'it':2 'prophetic':15 'sleep':7,8 'strange':13,14 'to':17 'when':1
                                   'search_artist'  'convention':2 'fairport':1
                                  'search_release'  'babbacombe':1 'lee':2
                                     'search_rest'  '00singer':1 'a':13 'but':10 'cannot':7 'comes':4,5 'does':11,12 'dream':17 'eos':3 'he':6 'help':20 'him':18,19 'prophetic':16 'sleep':8,9 'songwriter':2 'soundtrack':21 'strange':14,15 'video':22
                                    'search_combo'  '00singer':26 'a':12A,38 'and':20A 'babbacombe':24C 'but':9A,35 'cannot':6A,32 'comes':3A,4A,29,30 'convention':23B 'does':10A,11A,36,37 'dream':16A,42 'eos':28 'fairport':22B 'he':5A,31 'help':21A,45 'him':18A,19A,43,44 'it':2A 'lee':25C 'prophetic':15A,41 'sleep':7A,8A,33,34 'songwriter':27 'soundtrack':46 'strange':13A,14A,39,40 'to':17A 'video':47 'when':1A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', 'british folk', 'british', 'folk']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622758069.8815858  (2021-06-04 00:07:49)
                             'size'  16783710