======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '219'
                                          'artist'  'The BossHoss'
                                     'text_people'  ''
                                         'release'  'Internashville Urban Hymns'
                                           'title'  'Hey Ya!'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'country', 'cover', 'rockabilly', 'rock']"
                                     'discogstags'  "['rock', 'country rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted;set-cover or covered'
                                             'bpm'  '96.072'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Internashville Urban Hymns'
'TBPM' (BPM (beats per minute))                     '96.072'
'TCON' (Content type, a.k.a. Genre)                 ['entertaining-unsorted', 'set-cover or covered']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Hey Ya!'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The BossHoss'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'country rock']
'TXXX:lastfmtags'                                   ['german', 'country', 'cover', 'rockabilly', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.536960'

========================== row from database ==========================
                                              'id'  1329196
                                            'path'  /data/Music/Bulk/00spent/The Boss Hoss/Boss HOss-Internashville Urban Hymns-02-Hey Ya!.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  219
                                           'genre'  entertaining-unsorted;set-cover or covered
                                        'filesize'  5271382
                                           'mtime'  1620527062
                                   'redo_metaread'  0
                                        'rest_str'   00spent HOss 02 entertaining unsorted;set cover or covered
                                      'tag_artist'  The BossHoss
                                     'tag_release'  Internashville Urban Hymns
                                       'tag_title'  Hey Ya!
                                             'bpm'  96.072
                                    'search_title'  'hey':1 'ya':2
                                   'search_artist'  'boss':3 'bosshoss':2 'hoss':4 'the':1
                                  'search_release'  'hymns':3 'internashville':1 'urban':2
                                     'search_rest'  '00spent':1 'cover':8 'covered':10 'entertaining':3 'hoss':2 'or':9 'set':5,7 'unsorted':4,6
                                    'search_combo'  '00spent':10 'boss':5B 'bosshoss':4B 'cover':17 'covered':19 'entertaining':12 'hey':1A 'hoss':6B,11 'hymns':9C 'internashville':7C 'or':18 'set':14,16 'the':3B 'unsorted':13,15 'urban':8C 'ya':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'country', 'cover', 'rockabilly', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'country rock']

============================== file details ==============================
                                           'mtime'  1620527062.4726312  (2021-05-09 04:24:22)
                             'size'  5271382