======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '352'
                                          'artist'  'Chris Carter'
                                     'text_people'  ''
                                         'release'  'The Top 100 Tracks of 2010'
                                           'title'  'Climbing'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['breakbeat', 'spacestation', 'industrial', 'electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '95.035'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Top 100 Tracks of 2010'
'TBPM' (BPM (beats per minute))                     '95.035'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Climbing'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chris Carter'
'TPE2' (Band/orchestra/accompaniment)               'Chris Carter'
'TPUB' (Publisher)                                  'Optimo Music'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['breakbeat', 'spacestation', 'industrial', 'electronic', 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.575633'

========================== row from database ==========================
                                              'id'  1290439
                                            'path'  /data/Music/Bulk/00poprockelectronic/Africa HiTech - The Top 100 Tracks of 2010/Chris_Carter-Spaces_Between.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  352
                                           'genre'  electronic-unsorted
                                        'filesize'  14131310
                                           'mtime'  1620566976
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Africa HiTech Chris_Carter Spaces_Between electronic unsorted
                                      'tag_artist'  Chris Carter
                                     'tag_release'  The Top 100 Tracks of 2010
                                       'tag_title'  Climbing
                                             'bpm'  95.035
                                    'search_title'  'climbing':1
                                   'search_artist'  'carter':2 'chris':1
                                  'search_release'  '100':3 '2010':6 'of':5 'the':1 'top':2 'tracks':4
                                     'search_rest'  '00poprockelectronic':1 'africa':2 'between':7 'carter':5 'chris':4 'electronic':8 'hi':10 'hitech':3 'spaces':6 'tech':11 'unsorted':9
                                    'search_combo'  '00poprockelectronic':10 '100':6C '2010':9C 'africa':11 'between':16 'carter':3B,14 'chris':2B,13 'climbing':1A 'electronic':17 'hi':19 'hitech':12 'of':8C 'spaces':15 'tech':20 'the':4C 'top':5C 'tracks':7C 'unsorted':18
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['breakbeat', 'spacestation', 'industrial', 'electronic', 'experimental']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620566976.2806244  (2021-05-09 15:29:36)
                             'size'  14131310