======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '103'
                                          'artist'  'Tom Waits'
                                     'text_people'  ''
                                         'release'  'Alice'
                                           'title'  'Fawn'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                                     'discogstags'  "['jazz', 'rock', 'blues rock', 'contemporary jazz', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '130.314'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Alice'
'TBPM' (BPM (beats per minute))                     '130.314'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'Fawn'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '103732'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['jazz', 'rock', 'blues rock', 'contemporary jazz', 'folk']
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:original release date'                        ['2002', '2017']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.591965'

========================== row from database ==========================
                                              'id'  1273729
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Waits, Tom - Tom Waits/Tom Waits Various/Tom Waits - Fawn.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  103
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  1661764
                                           'mtime'  1639508289
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Waits, Various ifs songwriter eos
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Alice
                                       'tag_title'  Fawn
                                             'bpm'  130.314
                                    'search_title'  'fawn':1
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'alice':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':7 'songwriter':2 'various':6 'waits':4,5
                                    'search_combo'  '00singer':5 'alice':4C 'eos':7 'fawn':1A 'ifs':11 'songwriter':6 'tom':2B 'various':10 'waits':3B,8,9
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  2017
                                     'discogstags'  ['jazz', 'rock', 'blues rock', 'contemporary jazz', 'folk']

============================== file details ==============================
                                           'mtime'  1639508289.2220588  (2021-12-14 19:58:09)
                             'size'  1661764