======================== unified (from filesystem) ========================
                                         'bitrate'  '210.074'
                                        'duration'  '107'
                                          'artist'  'Crissy Criss'
                                     'text_people'  ''
                                         'release'  'Rinse 06: Mixed by Plastician'
                                           'title'  'Soap Dodger'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['drum n bass', 'drum and bass', 'dubstep', 'electronic', 'dnb']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '144.748'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rinse 06: Mixed by Plastician'
'TBPM' (BPM (beats per minute))                     '144.748'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Soap Dodger'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Crissy Criss'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '23'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['drum n bass', 'drum and bass', 'dubstep', 'electronic', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.16 dB'
'TXXX:replaygain_track_peak'                        '0.463534'

========================== row from database ==========================
                                              'id'  1283181
                                            'path'  /data/Music/Bulk/00poprockelectronic/Rinse 06; Mixed by Plastician/23 Crissy Criss - Soap Dodger.mp3
                                         'working'  None
                                         'bitrate'  210
                                    'duration_sec'  107
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  2821348
                                           'mtime'  1620571879
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 06; 23 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Crissy Criss
                                     'tag_release'  Rinse 06: Mixed by Plastician
                                       'tag_title'  Soap Dodger
                                             'bpm'  144.748
                                    'search_title'  'dodger':2 'soap':1
                                   'search_artist'  'criss':2 'crissy':1
                                  'search_release'  '06':2,3 'by':5 'mixed':4 'plastician':6 'rinse':1
                                     'search_rest'  '00poprockelectronic':1 '06':2,3 '23':4 'hip':5 'hop':6 'or':7 'rap':9 'rnb':8 'turntablism':10
                                    'search_combo'  '00poprockelectronic':11 '06':6C,7C,12,13 '23':14 'by':9C 'criss':4B 'crissy':3B 'dodger':2A 'hip':15 'hop':16 'mixed':8C 'or':17 'plastician':10C 'rap':19 'rinse':5C 'rnb':18 'soap':1A 'turntablism':20
                                    'tag_tracknum'  23
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['drum n bass', 'drum and bass', 'dubstep', 'electronic', 'dnb']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620571878.504722  (2021-05-09 16:51:18)
                             'size'  2821348