======================== unified (from filesystem) ========================
                                         'bitrate'  '214.7'
                                        'duration'  '210'
                                          'artist'  'Natalie Imbruglia'
                                     'text_people'  ''
                                         'release'  'Left of the Middle'
                                           'title'  'One More Addiction'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['australian', 'rock', 'female vocalists', 'pop', 'singer songwriter']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '122.511'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Left of the Middle'
'TBPM' (BPM (beats per minute))                     '122.511'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'One More Addiction'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Natalie Imbruglia'
'TRCK' (Track number/Position in set)               '2'
'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'                                  'pop'
'TXXX:lastfmtags'                                   ['australian', 'rock', 'female vocalists', 'pop', 'singer songwriter']
'TXXX:original release date'                        ['1998', '1998']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.401474'

========================== row from database ==========================
                                              'id'  1346762
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/02. One more addiction.mp3
                                         'working'  None
                                         'bitrate'  214
                                    'duration_sec'  210
                                           'genre'  ifs-songwriter
                                        'filesize'  5664736
                                           'mtime'  1623435802
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02. more addiction ifs songwriter
                                      'tag_artist'  Natalie Imbruglia
                                     'tag_release'  Left of the Middle
                                       'tag_title'  One More Addiction
                                             'bpm'  122.511
                                    'search_title'  'addiction':3 'more':2 'one':1
                                   'search_artist'  'imbruglia':2 'natalie':1
                                  'search_release'  'left':1 'middle':4 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '02':7,8 'addiction':10 'files':5,6 'ifs':11 'loose':3,4 'more':9 'songwriter':12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '02':16,17 'addiction':3A,19 'files':14,15 'ifs':20 'imbruglia':5B 'left':6C 'loose':12,13 'middle':9C 'more':2A,18 'natalie':4B 'of':7C 'one':1A 'songwriter':21 'the':8C 'unsorted':11
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['australian', 'rock', 'female vocalists', 'pop', 'singer songwriter']
                                        'tag_date'  1998
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1623435802.0781755  (2021-06-11 20:23:22)
                             'size'  5664736