======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '112'
                                          'artist'  'Ramones'
                                     'text_people'  'Chris Montez'
                                         'release'  'Ramones'
                                           'title'  "Let's Dance"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'punk rock', '70s', 'punk', 'rock']"
                                     'discogstags'  "['rock', 'rock & roll', 'punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '120.686'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ramones'
'TBPM' (BPM (beats per minute))                     '120.686'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1976'
'TENC' (Encoded by)                                 'Magnus Blom'
'TIT2' (Title/songname/content description)         "Let's Dance"
'TKEY' (Initial key)                                '9B'
'TOPE' (Original artist(s)/performer(s))            'Chris Montez'
'TPE1' (Lead performer(s)/Soloist(s))               'Ramones'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'rock & roll', 'punk']
'TXXX:lastfmtags'                                   ['classic rock', 'punk rock', '70s', 'punk', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.22 dB'
'TXXX:replaygain_track_peak'                        '0.330733'

========================== row from database ==========================
                                              'id'  1520233
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Ramones/ramones/12 - let_s dance.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  112
                                           'genre'  rock-gr-punk
                                        'filesize'  2692992
                                           'mtime'  1622659130
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner ramones 12 let_s dance rock gr punk
                                      'tag_artist'  Ramones
                                     'tag_release'  Ramones
                                       'tag_title'  Let's Dance
                                             'bpm'  120.686
                                    'search_title'  'dance':4 'let':1 'lets':3 's':2
                                   'search_artist'  'ramones':1
                                  'search_release'  'ramones':1
                                     'search_rest'  'dance':8 'garage':2 'gr':10 'let':6 'punk':1 'ramones':5 'rock':9 's':7 'stoner':4 'surf':3
                                    'search_combo'  'dance':4A,14 'garage':8 'gr':16 'let':1A,12 'lets':3A 'punk':7 'ramones':5B,6C,11 'rock':15 's':2A,13 'stoner':10 'surf':9
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'punk rock', '70s', 'punk', 'rock']
                                        'tag_date'  1976
                                     'discogstags'  ['rock', 'rock & roll', 'punk']

============================== file details ==============================
                                           'mtime'  1622659130.4499264  (2021-06-02 20:38:50)
                             'size'  2692992