======================== unified (from filesystem) ========================
                                         'bitrate'  '139.447'
                                        'duration'  '332'
                                          'artist'  'Smoke City'
                                     'text_people'  ''
                                         'release'  'Heroes of Nature'
                                           'title'  'Life Can Be Sweet'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['downtempo', 'female vocalists', 'trip hop', 'chillout', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '96.163'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Heroes of Nature'
'TBPM' (BPM (beats per minute))                     '96.163'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Life Can Be Sweet'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Smoke City'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['downtempo', 'female vocalists', 'trip hop', 'chillout', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.08 dB'
'TXXX:replaygain_track_peak'                        '0.444010'

========================== row from database ==========================
                                              'id'  1343928
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Smoke City/11. Life Can Be Sweet.mp3
                                         'working'  None
                                         'bitrate'  139
                                    'duration_sec'  332
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  5793258
                                           'mtime'  1636910938
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 11. electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Smoke City
                                     'tag_release'  Heroes of Nature
                                       'tag_title'  Life Can Be Sweet
                                             'bpm'  96.163
                                    'search_title'  'be':3 'can':2 'life':1 'sweet':4
                                   'search_artist'  'city':2 'smoke':1
                                  'search_release'  'heroes':1 'nature':3 'of':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '11':3,4 'acid':10 'downtempo':9 'electronic':5 'hop':7 'jazz':11 'or':8 'trip':6
                                    'search_combo'  '00poprockelectronic':10 '00trip':11 '11':12,13 'acid':19 'be':3A 'can':2A 'city':6B 'downtempo':18 'electronic':14 'heroes':7C 'hop':16 'jazz':20 'life':1A 'nature':9C 'of':8C 'or':17 'smoke':5B 'sweet':4A 'trip':15
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['downtempo', 'female vocalists', 'trip hop', 'chillout', 'electronic']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910937.977449  (2021-11-14 18:28:57)
                             'size'  5793258