======================== unified (from filesystem) ========================
                                         'bitrate'  '177.226'
                                        'duration'  '248'
                                          'artist'  'Rob Costlow'
                                     'text_people'  ''
                                         'release'  'Woods of Chaos: Solo Piano'
                                           'title'  'Twilight'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-3', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'creative commons', 'piano', 'jamendo', 'ambient']"
                                     'discogstags'  "['new age', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '10'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '88.322'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Woods of Chaos: Solo Piano'
'TBPM' (BPM (beats per minute))                     '88.322'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-05-02'
'TIT2' (Title/songname/content description)         'Twilight'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Rob Costlow'
'TPE2' (Band/orchestra/accompaniment)               'Rob Costlow'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Tourist Records'
'TRCK' (Track number/Position in set)               '10/10'
'TSO2'                                              'Costlow, Rob'
'TSOP' (Performer sort order)                       'Costlow, Rob'
'TXXX:MusicBrainz Album Artist Id'                  '865d553f-e383-451b-a23f-78c24b8bfc01'
'TXXX:MusicBrainz Album Id'                         '33ee9153-204f-4fff-80dd-9c866ccfd327'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '865d553f-e383-451b-a23f-78c24b8bfc01'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['new age', 'electronic']
'TXXX:lastfmtags'                                   ['instrumental', 'creative commons', 'piano', 'jamendo', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.420705'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c5640f5c-567c-4b2a-acf3-590437bfdb3c')

========================== row from database ==========================
                                              'id'  173970
                                            'path'  /data/Music/Bulk/00instruments-classical/Rob Costlow/Woods_of_Chaos/10 - Twilight.mp3
                                         'working'  None
                                         'bitrate'  177
                                    'duration_sec'  248
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  5513995
                                           'mtime'  1636913517
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical Woods_of_Chaos 10 prerock classical or classical instruments
                                      'tag_artist'  Rob Costlow
                                     'tag_release'  Woods of Chaos: Solo Piano
                                       'tag_title'  Twilight
                                             'bpm'  88.322
                                    'search_title'  'twilight':1
                                   'search_artist'  'costlow':2 'rob':1
                                  'search_release'  'chaos':3,4 'of':2 'piano':6 'solo':5 'woods':1
                                     'search_rest'  '00instruments':1 'chaos':5 'classical':2 'instruments':8 'of':4 'or':7 'prerock':6 'woods':3
                                    'search_combo'  '00instruments':10 'chaos':6C,7C,14 'classical':11 'costlow':3B 'instruments':17 'of':5C,13 'or':16 'piano':9C 'prerock':15 'rob':2B 'solo':8C 'twilight':1A 'woods':4C,12
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'creative commons', 'piano', 'jamendo', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  ['new age', 'electronic']

============================== file details ==============================
                                           'mtime'  1636913516.790706  (2021-11-14 19:11:56)
                             'size'  5513995