======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '166'
                                          'artist'  'The Mountain Goats'
                                     'text_people'  'John Darnielle'
                                         'release'  'Protein Source Of The Future...Now!'
                                           'title'  'Going To Tennessee'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'alternative rock', 'lo-fi', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '86.3'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::dut'                                         '5a16b8ab'
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'TALB' (Album/Movie/Show title)                     'Protein Source Of The Future...Now!'
'TBPM' (BPM (beats per minute))                     '86.3'
'TCOM' (Composer)                                   'John Darnielle'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Going To Tennessee'
'TKEY' (Initial key)                                '2B'
'TLEN' (Length)                                     '166000'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mountain Goats'
'TPE2' (Band/orchestra/accompaniment)               'The Mountain Goats'
'TPUB' (Publisher)                                  '3 Beads of Sweat'
'TRCK' (Track number/Position in set)               '1'
'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', 'folk, world, & country', 'alternative rock', 'lo-fi', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.683792'

========================== row from database ==========================
                                              'id'  1310463
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Mountain Goats/Protein Source Of The Future...Now!/the_mountain_goats_-_protein_source_of_the_future...now!_-_01_-_going_to_tennessee.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  166
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  2668655
                                           'mtime'  1636402040
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic the_mountain_goats_ _protein_source_of_the_future...now!_ _01_ _going_to_tennessee ifs songwriter indie unsorted
                                      'tag_artist'  The Mountain Goats
                                     'tag_release'  Protein Source Of The Future...Now!
                                       'tag_title'  Going To Tennessee
                                             'bpm'  86.3
                                    'search_title'  'going':1 'tennessee':3 'to':2
                                   'search_artist'  'goats':3 'mountain':2 'the':1
                                  'search_release'  'future':5 'futurenow':7 'now':6 'of':3 'protein':1 'source':2 'the':4
                                     'search_rest'  '00poprockelectronic':1 '01':16 'future':9 'futurenow':15 'goats':4 'going':17 'ifs':20 'indie':22 'mountain':3 'now':10 'of':7,13 'protein':5,11 'songwriter':21 'source':6,12 'tennessee':19 'the':2,8,14 'to':18 'unsorted':23
                                    'search_combo'  '00poprockelectronic':14 '01':29 'future':11C,22 'futurenow':13C,28 'goats':6B,17 'going':1A,30 'ifs':33 'indie':35 'mountain':5B,16 'now':12C,23 'of':9C,20,26 'protein':7C,18,24 'songwriter':34 'source':8C,19,25 'tennessee':3A,32 'the':4B,10C,15,21,27 'to':2A,31 'unsorted':36
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'folk, world, & country', 'alternative rock', 'lo-fi', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636402039.8817127  (2021-11-08 21:07:19)
                             'size'  2668655