======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '99'
                                          'artist'  'commie64'
                                     'text_people'  ''
                                         'release'  'commie 64?'
                                           'title'  'all catching up with you'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '139.948'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'commie 64?'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'all catching up with you'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'commie64'
'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'                                   ['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.583009'

========================== row from database ==========================
                                              'id'  1320132
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/Commie64/Commie64 - All Catching Up With you.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  99
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  1601412
                                           'mtime'  1621705481
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy Commie64 Commie64 All Catching Up With electronic we beeps or chip or pico
                                      'tag_artist'  commie64
                                     'tag_release'  commie 64?
                                       'tag_title'  all catching up with you
                                             'bpm'  139.948
                                    'search_title'  'all':1 'catching':2 'up':3 'with':4 'you':5
                                   'search_artist'  'commie64':1
                                  'search_release'  '64':2 'commie':1
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 'all':4 'beeps':10 'catching':5 'chip':12 'commie64':3 'electronic':8 'or':11 'pico':13 'up':6 'we':9 'with':7
                                    'search_combo'  '00beepy':10 '00poprockelectronic':9 '64':8C 'all':1A,12 'beeps':18 'catching':2A,13 'chip':20 'commie':7C 'commie64':6B,11 'electronic':16 'or':19 'pico':21 'up':3A,14 'we':17 'with':4A,15 'you':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705481.0480247  (2021-05-22 19:44:41)
                             'size'  1601412