======================== unified (from filesystem) ========================
                                         'bitrate'  '142.74'
                                        'duration'  '267'
                                          'artist'  'Raymond Scott'
                                     'text_people'  'Raymond Scott'
                                         'release'  'Soothing Sounds for Baby Volume 1, 1 to 6 Months'
                                           'title'  'Sleepy Time'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
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 "'q-mixbeat-2']")
                                      'lastfmtags'  "['avant garde', 'jazz', 'electronic', 'cartoon music', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1963'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '97.225'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     'Soothing Sounds for Baby Volume 1, 1 to 6 Months'
'TBPM' (BPM (beats per minute))                     '97.225'
'TCOM' (Composer)                                   'Raymond Scott'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1963'
'TIT2' (Title/songname/content description)         'Sleepy Time'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Raymond Scott'
'TPE2' (Band/orchestra/accompaniment)               'Raymond Scott'
'TPUB' (Publisher)                                  'Basta'
'TRCK' (Track number/Position in set)               '02'
'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'                                   ['avant garde', 'jazz', 'electronic', 'cartoon music', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.519275'

========================== row from database ==========================
                                              'id'  169416
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Raymond Scott/Soothing Sounds For Baby Vol. 1 (0-6 months)/02 - Sleepy Time.mp3
                                         'working'  None
                                         'bitrate'  142
                                    'duration_sec'  267
                                           'genre'  electronic
                                        'filesize'  4782226
                                           'mtime'  1636912665
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm For Vol. (0 months) 02 electronic
                                      'tag_artist'  Raymond Scott
                                     'tag_release'  Soothing Sounds for Baby Volume 1, 1 to 6 Months
                                       'tag_title'  Sleepy Time
                                             'bpm'  97.225
                                    'search_title'  'sleepy':1 'time':2
                                   'search_artist'  'raymond':1 'scott':2
                                  'search_release'  '1':6,7 '6':9 'baby':4 'for':3 'months':10 'soothing':1 'sounds':2 'to':8 'volume':5
                                     'search_rest'  '0':4,5 'electronic':8 'for':1 'months':6,7 'vol':2,3
                                    'search_combo'  '0':18,19 '1':10C,11C '6':13C 'baby':8C 'electronic':22 'for':7C,15 'months':14C,20,21 'raymond':3B 'scott':4B 'sleepy':1A 'soothing':5C 'sounds':6C 'time':2A 'to':12C 'vol':16,17 'volume':9C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['avant garde', 'jazz', 'electronic', 'cartoon music', 'experimental']
                                        'tag_date'  1963
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912664.6433299  (2021-11-14 18:57:44)
                             'size'  4782226