======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '189'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'Ziggy Stardust:  The Motion Pi'
                                           'title'  "Let's Spend The Night Together"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', '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']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '116.789'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ziggy Stardust:  The Motion Pi'
'TBPM' (BPM (beats per minute))                     '116.789'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         "Let's Spend The Night Together"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie'
'TRCK' (Track number/Position in set)               '13'
'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:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.561572'

========================== row from database ==========================
                                              'id'  1497625
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/Ziggy Stardust   The Motion Picture/MBZ;#David Bowie;#Ziggy Stardust The Motion Picture;#13;#Let_s Spend The Night Together.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  189
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  3793073
                                           'mtime'  1623430291
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Picture MBZ;#David Bowie;#Ziggy Picture;#13;#Let_s ifs songwriter eos
                                      'tag_artist'  David Bowie
                                     'tag_release'  Ziggy Stardust:  The Motion Pi
                                       'tag_title'  Let's Spend The Night Together
                                             'bpm'  116.789
                                    'search_title'  'let':1 'lets':3 'night':6 's':2 'spend':4 'the':5 'together':7
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'motion':5 'pi':6 'stardust':2,3 'the':4 'ziggy':1
                                     'search_rest'  '00singer':1 '13':14,18 'bowie':9,11 'david':6,8 'eos':3 'ifs':21 'let':15,19 'mbz':5,7 'picture':4,13,17 's':16,20 'songwriter':2 'ziggy':10,12
                                    'search_combo'  '00singer':16 '13':29,33 'bowie':9B,24,26 'david':8B,21,23 'eos':18 'ifs':36 'let':1A,30,34 'lets':3A 'mbz':20,22 'motion':14C 'night':6A 'pi':15C 'picture':19,28,32 's':2A,31,35 'songwriter':17 'spend':4A 'stardust':11C,12C 'the':5A,13C 'together':7A 'ziggy':10C,25,27
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  12B
                                           '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-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623430290.603083  (2021-06-11 18:51:30)
                             'size'  3793073