======================== unified (from filesystem) ========================
                                         'bitrate'  '191.819'
                                        'duration'  '129'
                                          'artist'  'guided by voices'
                                     'text_people'  ''
                                         'release'  'bee thousand'
                                           'title'  'a big fan of the pigpen'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', '90s', 'alternative', 'lo fi', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '109.705'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'bee thousand'
'TBPM' (BPM (beats per minute))                     '109.705'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'a big fan of the pigpen'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'guided by voices'
'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'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', '90s', 'alternative', 'lo fi', 'indie rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.04 dB'
'TXXX:replaygain_track_peak'                        '0.494803'

========================== row from database ==========================
                                              'id'  1365420
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Guided by Voices/Bee Thousand/Guided By Voices - A Big Fan of the Pigpen - 12.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  129
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3104777
                                           'mtime'  1621697260
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock Guided Voices Bee Thousand Guided By Voices A Big Fan Pigpen 12 ifs songwriter indie rock
                                      'tag_artist'  guided by voices
                                     'tag_release'  bee thousand
                                       'tag_title'  a big fan of the pigpen
                                             'bpm'  109.705
                                    'search_title'  'a':1 'big':2 'fan':3 'of':4 'pigpen':6 'the':5
                                   'search_artist'  'by':2 'guided':1 'voices':3
                                  'search_release'  'bee':1 'thousand':2
                                     'search_rest'  '00poprockelectronic':1 'a':9 'bee':6 'big':10 'by':8 'fan':11 'guided':4 'ifs':13 'indie':15 'indierock':3 'pigpen':12 'poprock':2 'rock':16 'songwriter':14 'thousand':7 'voices':5
                                    'search_combo'  '00poprockelectronic':12 'a':1A,20 'bee':10C,17 'big':2A,21 'by':8B,19 'fan':3A,22 'guided':7B,15 'ifs':24 'indie':26 'indierock':14 'of':4A 'pigpen':6A,23 'poprock':13 'rock':27 'songwriter':25 'the':5A 'thousand':11C,18 'voices':9B,16
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', '90s', 'alternative', 'lo fi', 'indie rock']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697260.2925076  (2021-05-22 17:27:40)
                             'size'  3104777