======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '246'
                                          'artist'  'Van Halen'
                                     'text_people'  'Alex Van Halen/Eddie Van Halen/Michael Anthony/Sammy Hagar'
                                         'release'  "80's Rock  Love Songs"
                                           'title'  "I Can't Stop Loving You"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
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 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'heavy metal', 'rock', 'hard rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'set-pl-billboard'
                                             'bpm'  '118.359'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     "80's Rock  Love Songs"
'TBPM' (BPM (beats per minute))                     '118.359'
'TCOM' (Composer)                                   'Alex Van Halen/Eddie Van Halen/Michael Anthony/Sammy Hagar'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-billboard'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "I Can't Stop Loving You"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Van Halen'
'TPE2' (Band/orchestra/accompaniment)               'Van Halen'
'TPUB' (Publisher)                                  'WEA/Warner'
'TRCK' (Track number/Position in set)               '15'
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'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['80s', 'heavy metal', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.24 dB'
'TXXX:replaygain_track_peak'                        '0.460136'

========================== row from database ==========================
                                              'id'  1289170
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/van halen - balance - i cant stop loving you.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  246
                                           'genre'  set-pl-billboard
                                        'filesize'  3953389
                                           'mtime'  1652398004
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] van halen balance cant stop loving you set pl billboard
                                      'tag_artist'  Van Halen
                                     'tag_release'  80's Rock  Love Songs
                                       'tag_title'  I Can't Stop Loving You
                                             'bpm'  118.359
                                    'search_title'  'can':2 'cant':4 'i':1 'loving':6 'stop':5 't':3 'you':7
                                   'search_artist'  'halen':2 'van':1
                                  'search_release'  '80':1 '80s':3 'love':5 'rock':4 's':2 'songs':6
                                     'search_rest'  '00poprockelectronic':1 'balance':9 'billboard':16 'cant':10 'files':5,6 'halen':8 'loose':3,4 'loving':12 'pl':15 'set':14 'stop':11 'unsorted':2 'van':7 'you':13
                                    'search_combo'  '00poprockelectronic':16 '80':10C '80s':12C 'balance':24 'billboard':31 'can':2A 'cant':4A,25 'files':20,21 'halen':9B,23 'i':1A 'loose':18,19 'love':14C 'loving':6A,27 'pl':30 'rock':13C 's':11C 'set':29 'songs':15C 'stop':5A,26 't':3A 'unsorted':17 'van':8B,22 'you':7A,28
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['80s', 'heavy metal', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652398003.8242886  (2022-05-13 01:26:43)
                             'size'  3953389