======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '377'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'Ziggy Stardust:  The Motion Pi'
                                           'title'  'Moonage Daydream'
                                           '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-2', 'q-other-4', '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'  '6'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '141.512'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ziggy Stardust:  The Motion Pi'
'TBPM' (BPM (beats per minute))                     '141.512'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Moonage Daydream'
'TKEY' (Initial key)                                '10A'
'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:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.497322'

========================== row from database ==========================
                                              'id'  173245
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/Ziggy Stardust   The Motion Picture/MBZ;#David Bowie;#Ziggy Stardust The Motion Picture;#06;#Moonage Daydream.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  377
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  7556582
                                           'mtime'  1623430290
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Picture MBZ;#David Bowie;#Ziggy Picture;#06;#Moonage ifs songwriter eos
                                      'tag_artist'  David Bowie
                                     'tag_release'  Ziggy Stardust:  The Motion Pi
                                       'tag_title'  Moonage Daydream
                                             'bpm'  141.512
                                    'search_title'  'daydream':2 'moonage':1
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'motion':5 'pi':6 'stardust':2,3 'the':4 'ziggy':1
                                     'search_rest'  '00singer':1 '06':14,17 'bowie':9,11 'david':6,8 'eos':3 'ifs':19 'mbz':5,7 'moonage':15,18 'picture':4,13,16 'songwriter':2 'ziggy':10,12
                                    'search_combo'  '00singer':11 '06':24,27 'bowie':4B,19,21 'david':3B,16,18 'daydream':2A 'eos':13 'ifs':29 'mbz':15,17 'moonage':1A,25,28 'motion':9C 'pi':10C 'picture':14,23,26 'songwriter':12 'stardust':6C,7C 'the':8C 'ziggy':5C,20,22
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           '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-2', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623430290.4691489  (2021-06-11 18:51:30)
                             'size'  7556582