======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '251'
                                          'artist'  'The Welcome Wagon'
                                     'text_people'  ''
                                         'release'  'Welcome To The Welcome Wagon'
                                           'title'  'Sold! To The Nice Rich Man'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'christian', 'alt country', 'alternative gospel', 'folk']"
                                     'discogstags'  "['rock', 'acoustic', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '117.740'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         '0'
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000BCA 00000BBA 0000642B 0000636C 00036B68 00034C2F 00008E1F 00008DB6 '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A44 0000000000A89D2C 00000000 0098DA9D 00000000 '
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'COMM:iTunes_CDDB_IDs:eng'                          '12+32B2C248F13E62F9AE5AB953699C7003+11972049'
'TALB' (Album/Movie/Show title)                     'Welcome To The Welcome Wagon'
'TBPM' (BPM (beats per minute))                     '117.740'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Sold! To The Nice Rich Man'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Welcome Wagon'
'TRCK' (Track number/Position in set)               '2/12'
'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:discogstags'                                  ['rock', 'acoustic', 'folk']
'TXXX:lastfmtags'                                   ['indie', 'christian', 'alt country', 'alternative gospel', 'folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.395104'
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========================== row from database ==========================
                                              'id'  1264670
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Welcome Wagon/Welcome To The Welcome Wagon/02 sold! to the nice rich man.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  251
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  10070508
                                           'mtime'  1637330516
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 02 sold! to the nice rich man ifs songwriter indie
                                      'tag_artist'  The Welcome Wagon
                                     'tag_release'  Welcome To The Welcome Wagon
                                       'tag_title'  Sold! To The Nice Rich Man
                                             'bpm'  117.74
                                    'search_title'  'man':6 'nice':4 'rich':5 'sold':1 'the':3 'to':2
                                   'search_artist'  'the':1 'wagon':3 'welcome':2
                                  'search_release'  'the':3 'to':2 'wagon':4 'welcome':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':10 'indie':11 'man':9 'nice':7 'rich':8 'sold':4 'songwriter':2 'the':6 'to':5
                                    'search_combo'  '00singer':14 'eos':16 'ifs':23 'indie':24 'man':6A,22 'nice':4A,20 'rich':5A,21 'sold':1A,17 'songwriter':15 'the':3A,7B,12C,19 'to':2A,11C,18 'wagon':9B,13C 'welcome':8B,10C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'christian', 'alt country', 'alternative gospel', 'folk']
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'acoustic', 'folk']

============================== file details ==============================
                                           'mtime'  1637330515.9550111  (2021-11-19 15:01:55)
                             'size'  10070508