======================== unified (from filesystem) ========================
                                         'bitrate'  '207.418'
                                        'duration'  '179'
                                          'artist'  'Gotan Project'
                                     'text_people'  ''
                                         'release'  'Lunático'
                                           'title'  'Lunático'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'downtempo', 'electronic', 'chillout', 'tango']"
                                     'discogstags'  "['electronic', 'latin', 'trip hop', 'downtempo', 'tango']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga-electro;prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '117.740'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Lunático'
'TBPM' (BPM (beats per minute))                     '117.740'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-tango or milonga-electro',
 'prerock-jb-jazz-lounge or exotica or bossa']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Lunático'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gotan Project'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'latin', 'trip hop', 'downtempo', 'tango']
'TXXX:lastfmtags'                                   ['lounge', 'downtempo', 'electronic', 'chillout', 'tango']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.596107'

========================== row from database ==========================
                                              'id'  1346002
                                            'path'  /data/Music/Bulk/00poprockelectronic/Gotan Project/Gotan_Project/05-gotan_project-lunatico.mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  179
                                           'genre'  loc-style-tango or milonga-electro;prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  4667273
                                           'mtime'  1620540802
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Gotan_Project 05 gotan_project lunatico loc style tango or milonga electro;prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Gotan Project
                                     'tag_release'  Lunático
                                       'tag_title'  Lunático
                                             'bpm'  117.74
                                    'search_title'  'lunatico':1,2
                                   'search_artist'  'gotan':1 'project':2
                                  'search_release'  'lunatico':1,2
                                     'search_rest'  '00poprockelectronic':1 'bossa':18 'electro':10,12 'exotica':17 'gotan':2 'jazz':15 'jb':14 'loc':5 'lounge':16 'lunatico':4 'milonga':9 'or':8 'prerock':11,13 'project':3 'style':6 'tango':7
                                    'search_combo'  '00poprockelectronic':7 'bossa':24 'electro':16,18 'exotica':23 'gotan':3B,8 'jazz':21 'jb':20 'loc':11 'lounge':22 'lunatico':1A,2A,5C,6C,10 'milonga':15 'or':14 'prerock':17,19 'project':4B,9 'style':12 'tango':13
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'downtempo', 'electronic', 'chillout', 'tango']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'latin', 'trip hop', 'downtempo', 'tango']

============================== file details ==============================
                                           'mtime'  1620540802.115871  (2021-05-09 08:13:22)
                             'size'  4667273