======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '216'
                                          'artist'  'The Proclaimers'
                                     'text_people'  ''
                                         'release'  'The Best of...'
                                           'title'  "I'm Gonna Be (500 Miles)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['folk rock', 'scottish', 'pop', 'rock', '80s', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'ifs-unsorted'
                                             'bpm'  '131.841'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Love; Party; Romantic; Drink'
'TALB' (Album/Movie/Show title)                     'The Best of...'
'TBPM' (BPM (beats per minute))                     '131.841'
'TCON' (Content type, a.k.a. Genre)                 'ifs-unsorted'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         "I'm Gonna Be (500 Miles)"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Proclaimers'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk rock', 'scottish', 'pop', 'rock', '80s', 'folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.687215'

========================== row from database ==========================
                                              'id'  1499620
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Proclaimers/The Proclaimers__MBZ;#The Proclaimers;#The Best Of;#04;#I_m Gonna Be (500 Miles).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  216
                                           'genre'  ifs-unsorted
                                        'filesize'  3464049
                                           'mtime'  1678553043
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Proclaimers__MBZ;#The Proclaimers;#The Of;#04;#I_m ifs unsorted
                                      'tag_artist'  The Proclaimers
                                     'tag_release'  The Best of...
                                       'tag_title'  I'm Gonna Be (500 Miles)
                                             'bpm'  131.841
                                    'search_title'  '500':6,7 'be':5 'gonna':4 'i':1 'im':3 'm':2 'miles':8,9
                                   'search_artist'  'proclaimers':2 'the':1
                                  'search_release'  'best':2 'of':3,4 'the':1
                                     'search_rest'  '00poprockelectronic':1 '04':13,17 'i':14,18 'ifs':20 'm':15,19 'mbz':3,6 'of':12,16 'proclaimers':2,5,8,10 'the':4,7,9,11 'unsorted':21
                                    'search_combo'  '00poprockelectronic':16 '04':28,32 '500':6A,7A 'be':5A 'best':13C 'gonna':4A 'i':1A,29,33 'ifs':35 'im':3A 'm':2A,30,34 'mbz':18,21 'miles':8A,9A 'of':14C,15C,27,31 'proclaimers':11B,17,20,23,25 'the':10B,12C,19,22,24,26 'unsorted':36
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['folk rock', 'scottish', 'pop', 'rock', '80s', 'folk']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678553043.3530211  (2023-03-11 17:44:03)
                             'size'  3464049