======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '390'
                                          'artist'  'SABLE SHEEP'
                                     'text_people'  ''
                                         'release'  'Barricades EP'
                                           'title'  'Cargo Room'
                                           'quals'  ("['Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['house', 'electronic', 'deep and dark', 'tech house', '9 of 10 stars']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-th-house'
                                             'bpm'  '124.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Barricades EP'
'TBPM' (BPM (beats per minute))                     '124.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-house'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'Cargo Room'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'SABLE SHEEP'
'TPE2' (Band/orchestra/accompaniment)               'SABLE SHEEP'
'TPUB' (Publisher)                                  'Moon Harbour Germany'
'TRCK' (Track number/Position in set)               '1'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf54.63.104'
'TXXX:ARTWORKGUID'                                  '16BA85FB-59E9-11B1-637E-EC0AB6414A8E'
'TXXX:CATALOGUENUMBER'                              'MHR 066'
'TXXX:ISRC'                                         'DEX041300073'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:bpm'                                          ['124.0', '124', '124.011']
'TXXX:lastfmtags'                                   ['house', 'electronic', 'deep and dark', 'tech house', '9 of 10 stars']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.98 dB'
'TXXX:replaygain_track_peak'                        '0.517064'

========================== row from database ==========================
                                              'id'  1330777
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sable Sheep - Barricades EP (2014) [320]/01 Cargo Room.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  390
                                           'genre'  electronic-th-house
                                        'filesize'  15627000
                                           'mtime'  1620571944
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Sable Sheep (2014) [320] 01 electronic th house
                                      'tag_artist'  SABLE SHEEP
                                     'tag_release'  Barricades EP
                                       'tag_title'  Cargo Room
                                             'bpm'  124.0
                                    'search_title'  'cargo':1 'room':2
                                   'search_artist'  'sable':1 'sheep':2
                                  'search_release'  'barricades':1 'ep':2
                                     'search_rest'  '00poprockelectronic':1 '2014':4,5 '320':6,7 'electronic':8 'house':10 'sable':2 'sheep':3 'th':9
                                    'search_combo'  '00poprockelectronic':7 '2014':10,11 '320':12,13 'barricades':5C 'cargo':1A 'electronic':14 'ep':6C 'house':16 'room':2A 'sable':3B,8 'sheep':4B,9 'th':15
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['house', 'electronic', 'deep and dark', 'tech house', '9 of 10 stars']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571943.9654891  (2021-05-09 16:52:23)
                             'size'  15627000