======================== unified (from filesystem) ========================
                                         'bitrate'  '226.521'
                                        'duration'  '225'
                                          'artist'  'Caro Emerald'
                                     'text_people'  ''
                                         'release'  'Deleted Scenes from the Cutting Room Floor'
                                           'title'  'A Night Like This'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['00s', 'jazz', 'female vocalists', 'pop', 'dutch']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-jazz;loc-eur-netherlands'
                                             'bpm'  '123.032'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Deleted Scenes from the Cutting Room Floor'
'TBPM' (BPM (beats per minute))                     '123.032'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-jazz', 'loc-eur-netherlands']
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'A Night Like This'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Caro Emerald'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['00s', 'jazz', 'female vocalists', 'pop', 'dutch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.04 dB'
'TXXX:replaygain_track_peak'                        '0.372751'

========================== row from database ==========================
                                              'id'  1258613
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Caro Emerald/Caro Emerald - Deleted Scenes from the Cutting Room Floor (V0)/11 - Caro Emerald - A Night Like This.mp3
                                         'working'  None
                                         'bitrate'  226
                                    'duration_sec'  225
                                           'genre'  ifs-songwriter-jazz;loc-eur-netherlands
                                        'filesize'  6401435
                                           'mtime'  1621630271
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos (V0) 11 ifs songwriter jazz;loc eur netherlands
                                      'tag_artist'  Caro Emerald
                                     'tag_release'  Deleted Scenes from the Cutting Room Floor
                                       'tag_title'  A Night Like This
                                             'bpm'  123.032
                                    'search_title'  'a':1 'like':3 'night':2 'this':4
                                   'search_artist'  'caro':1 'emerald':2
                                  'search_release'  'cutting':5 'deleted':1 'floor':7 'from':3 'room':6 'scenes':2 'the':4
                                     'search_rest'  '00singer':1 'eos':3 'eur':11 'ifs':6 'jazz':7,9 'loc':8,10 'netherlands':12 'songwriter':2 'v0':4,5
                                    'search_combo'  '00singer':14 'a':1A 'caro':5B 'cutting':11C 'deleted':7C 'emerald':6B 'eos':16 'eur':24 'floor':13C 'from':9C 'ifs':19 'jazz':20,22 'like':3A 'loc':21,23 'netherlands':25 'night':2A 'room':12C 'scenes':8C 'songwriter':15 'the':10C 'this':4A 'v0':17,18
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['00s', 'jazz', 'female vocalists', 'pop', 'dutch']
                                        'tag_date'  2010
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1621630270.5772152  (2021-05-21 22:51:10)
                             'size'  6401435