======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '427'
                                          'artist'  'Hollan Holmes'
                                     'text_people'  ''
                                         'release'  'Deep Space One'
                                           'title'  ' Letting Go'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['deepspaceone', 'american', 'drone', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '106.7'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Deep Space One'
'TBPM' (BPM (beats per minute))                     '106.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         ' Letting Go'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hollan Holmes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:discogstags'                                  ['electronic', 'ambient']
'TXXX:lastfmtags'                                   ['deepspaceone', 'american', 'drone', 'electronic', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'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'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.677774'

========================== row from database ==========================
                                              'id'  1104465
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Deep Space One- Deep ambient electronic and space music/Hollan Holmes - Letting Go.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  427
                                           'genre'  electronic-ambient
                                        'filesize'  6844115
                                           'mtime'  1636910051
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm ambient electronic and space music electronic ambient
                                      'tag_artist'  Hollan Holmes
                                     'tag_release'  Deep Space One
                                       'tag_title'   Letting Go
                                             'bpm'  106.7
                                    'search_title'  'go':2 'letting':1
                                   'search_artist'  'hollan':1 'holmes':2
                                  'search_release'  'deep':1 'one':3 'space':2
                                     'search_rest'  'ambient':1 'and':3 'electronic':2 'music':5 'space':4
                                    'search_combo'  'ambient':8 'and':10 'deep':5C 'electronic':9 'go':2A 'hollan':3B 'holmes':4B 'letting':1A 'music':12 'one':7C 'space':6C,11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           '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-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['deepspaceone', 'american', 'drone', 'electronic', 'ambient']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1636910051.3901  (2021-11-14 18:14:11)
                             'size'  6844115