======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '13'
                                          'artist'  'Marc Bolan'
                                     'text_people'  ''
                                         'release'  'no title'
                                           'title'  'Have a superfun Christmas and a golden New Year'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', "
 "'q-busy-3', 'q-grit-1', 'q-play-2', 'Q-OLDST-2', 'q-chart-1', 'q-drums-2', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['glam rock', '70s', 'rock', 'classic rock', 'psychedelic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '87'
                                      'tracktotal'  '98'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials;set-pl-mor;set-th-christmas'
                                             'bpm'  '144.645'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'no title'
'TBPM' (BPM (beats per minute))                     '144.645'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials', 'set-pl-mor', 'set-th-christmas']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Have a superfun Christmas and a golden New Year'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marc Bolan'
'TRCK' (Track number/Position in set)               '87/98'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['glam rock', '70s', 'rock', 'classic rock', 'psychedelic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.21 dB'
'TXXX:replaygain_track_peak'                        '0.672303'

========================== row from database ==========================
                                              'id'  958026
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/car ads and PSAs/car ads and PSAs - 87. have a superfun christmas and a golden new year.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  13
                                           'genre'  nonmusic-commercials;set-pl-mor;set-th-christmas
                                        'filesize'  225656
                                           'mtime'  1620525262
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa car ads PSAs car ads PSAs 87. have christmas new year nonmusic commercials;set pl mor;set th christmas
                                      'tag_artist'  Marc Bolan
                                     'tag_release'  no title
                                       'tag_title'  Have a superfun Christmas and a golden New Year
                                             'bpm'  144.645
                                    'search_title'  'a':2 'and':5 'christmas':4 'golden':6 'have':1 'new':7 'superfun':3 'year':8
                                   'search_artist'  'bolan':2 'marc':1
                                  'search_release'  'no':1 'title':2
                                     'search_rest'  '00commercials':2 '0nonmusic':1 '87':11,12 'ads':9 'car':8 'christmas':14 'commercial':6 'commercials':18,20 'have':13 'mor':23,25 'movietrailer':5 'new':15 'nonmusic':17 'pl':22 'psa':7 'psas':10 'radio':4 'set':19,21,24,26 'th':27 'tv':3 'year':16
                                    'search_combo'  '00commercials':14 '0nonmusic':13 '87':23,24 'a':2A 'ads':21 'and':5A 'bolan':10B 'car':20 'christmas':4A,26 'commercial':18 'commercials':30,32 'golden':6A 'have':1A,25 'marc':9B 'mor':35,37 'movietrailer':17 'new':7A,27 'no':11C 'nonmusic':29 'pl':34 'psa':19 'psas':22 'radio':16 'set':31,33,36,38 'superfun':3A 'th':39 'title':12C 'tv':15 'year':8A,28
                                    'tag_tracknum'  87
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['glam rock', '70s', 'rock', 'classic rock', 'psychedelic']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525262.4689474  (2021-05-09 03:54:22)
                             'size'  225656