======================== unified (from filesystem) ========================
                                         'bitrate'  '269.51'
                                        'duration'  '202'
                                          'artist'  'Freezepop'
                                     'text_people'  ''
                                         'release'  'Imaginary Friends (Limited Edition)'
                                           'title'  'Hot Air Balloons'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'trance', 'techno', 'post rock', 'pop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '12'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop;electronic-we-electro-electroclash'
                                             'bpm'  '128.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Imaginary Friends (Limited Edition)'
'TBPM' (BPM (beats per minute))                     '128.3'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electropop or synthpop', 'electronic-we-electro-electroclash']
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Hot Air Balloons'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '202946'
'TPE1' (Lead performer(s)/Soloist(s))               'Freezepop'
'TPE2' (Band/orchestra/accompaniment)               'Freezepop'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '11/12'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.4 (http://www.mp3dev.org/)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['electronica', 'trance', 'techno', 'post rock', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                        '-1.29 dB'
'TXXX:replaygain_track_peak'                        '0.522425'

========================== row from database ==========================
                                              'id'  1268481
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Oscar Alemán - cd1/Freezepop/11 - Hot Air Balloons.mp3
                                         'working'  None
                                         'bitrate'  269
                                    'duration_sec'  202
                                           'genre'  electronic-we-electropop or synthpop;electronic-we-electro-electroclash
                                        'filesize'  6840617
                                           'mtime'  1636922662
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Oscar Alemán cd1 11 electronic we electropop or synthpop;electronic we electro electroclash
                                      'tag_artist'  Freezepop
                                     'tag_release'  Imaginary Friends (Limited Edition)
                                       'tag_title'  Hot Air Balloons
                                             'bpm'  128.3
                                    'search_title'  'air':2 'balloons':3 'hot':1
                                   'search_artist'  'freezepop':1
                                  'search_release'  'edition':5,6 'friends':2 'imaginary':1 'limited':3,4
                                     'search_rest'  'aleman':6,7 'cd1':8 'country':4 'electro':17 'electroclash':18 'electronic':9,14,16 'electropop':11 'exotica':2 'jazz':1 'oldies':3 'or':12 'oscar':5 'synthpop':13,15 'we':10
                                    'search_combo'  'air':2A 'aleman':16,17 'balloons':3A 'cd1':18 'country':14 'edition':9C,10C 'electro':27 'electroclash':28 'electronic':19,24,26 'electropop':21 'exotica':12 'freezepop':4B 'friends':6C 'hot':1A 'imaginary':5C 'jazz':11 'limited':7C,8C 'oldies':13 'or':22 'oscar':15 'synthpop':23,25 'we':20
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trance', 'techno', 'post rock', 'pop']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636922661.905696  (2021-11-14 21:44:21)
                             'size'  6840617