======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '193'
                                          'artist'  'pomDeter'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Call Me A Hole'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['catchy', 'mashup', 'under 2000 listeners']"
                                     'discogstags'  "['pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'set-mashup or collage'
                                             'bpm'  '120.042'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '120.042'
'TCON' (Content type, a.k.a. Genre)                 'set-mashup or collage'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Call Me A Hole'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'pomDeter'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop', 'rock']
'TXXX:lastfmtags'                                   ['catchy', 'mashup', 'under 2000 listeners']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.55 dB'
'TXXX:replaygain_track_peak'                        '0.431278'

========================== row from database ==========================
                                              'id'  685433
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0reuse/pomDeter - Call Me A Hole(really bad Friday night).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  193
                                           'genre'  set-mashup or collage
                                        'filesize'  7755349
                                           'mtime'  1620348093
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0reuse Hole(really bad Friday night) set mashup or collage
                                      'tag_artist'  pomDeter
                                     'tag_release'  None
                                       'tag_title'  Call Me A Hole
                                             'bpm'  120.042
                                    'search_title'  'a':3 'call':1 'hole':4 'me':2
                                   'search_artist'  'deter':3 'pom':2 'pomdeter':1
                                  'search_release'  
                                     'search_rest'  '0reuse':1 'bad':5 'collage':12 'friday':6 'hole':2 'holereally':4 'mashup':10 'night':7,8 'or':11 'really':3 'set':9
                                    'search_combo'  '0reuse':8 'a':3A 'bad':12 'call':1A 'collage':19 'deter':7B 'friday':13 'hole':4A,9 'holereally':11 'mashup':17 'me':2A 'night':14,15 'or':18 'pom':6B 'pomdeter':5B 'really':10 'set':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['catchy', 'mashup', 'under 2000 listeners']
                                        'tag_date'  2013
                                     'discogstags'  ['pop', 'rock']

============================== file details ==============================
                                           'mtime'  1620348092.855286  (2021-05-07 02:41:32)
                             'size'  7755349