======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '408'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'Scary Monsters'
                                           'title'  'Teenage Wildlife'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', '80s', 'alternative', 'rock', 'glam rock']"
                                     'discogstags'  "['electronic', 'rock', 'new wave', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '109.290'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Scary Monsters'
'TBPM' (BPM (beats per minute))                     '109.290'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Teenage Wildlife'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie'
'TRCK' (Track number/Position in set)               '6'
'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', 'rock', 'new wave', 'pop rock']
'TXXX:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.40 dB'
'TXXX:replaygain_track_peak'                        '0.606618'

========================== row from database ==========================
                                              'id'  196948
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/David Bowie - 1980 - Scary Monsters/MBZ;#David Bowie;#Scary Monsters;#1980-09-00;#06;#Teenage Wildlife.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  408
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  6545038
                                           'mtime'  1623430284
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1980 MBZ;#David Bowie;#Scary Monsters;#1980 09 00;#06;#Teenage ifs songwriter eos
                                      'tag_artist'  David Bowie
                                     'tag_release'  Scary Monsters
                                       'tag_title'  Teenage Wildlife
                                             'bpm'  109.29
                                    'search_title'  'teenage':1 'wildlife':2
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'monsters':2 'scary':1
                                     'search_rest'  '00':17,20 '00singer':1 '06':18,21 '1980':4,14,16 'bowie':9,11 'david':6,8 'eos':3 'ifs':23 'mbz':5,7 'monsters':13,15 'scary':10,12 'songwriter':2 'teenage':19,22
                                    'search_combo'  '00':23,26 '00singer':7 '06':24,27 '1980':10,20,22 'bowie':4B,15,17 'david':3B,12,14 'eos':9 'ifs':29 'mbz':11,13 'monsters':6C,19,21 'scary':5C,16,18 'songwriter':8 'teenage':1A,25,28 'wildlife':2A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  1980
                                     'discogstags'  ['electronic', 'rock', 'new wave', 'pop rock']

============================== file details ==============================
                                           'mtime'  1623430284.4521108  (2021-06-11 18:51:24)
                             'size'  6545038