======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '320'
                                          'artist'  'Geoff Leigh'
                                     'text_people'  ''
                                         'release'  "A Classic Guide to No Man's Land"
                                           'title'  'The Russians are Coming'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['experimental rock', 'post-punk', 'new wave', 'astronomy', '11']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '87.5'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "A Classic Guide to No Man's Land"
'TBPM' (BPM (beats per minute))                     '87.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'The Russians are Coming'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Geoff Leigh'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['experimental rock', 'post-punk', 'new wave', 'astronomy', '11']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.711956'

========================== row from database ==========================
                                              'id'  1530661
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Etron Fou Leloublan - a classic guide to no man_s land (1985-88)/02 - geoff leigh - the russians are coming.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  320
                                           'genre'  electronic-unsorted
                                        'filesize'  12840969
                                           'mtime'  1642339774
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Etron Fou Leloublan classic guide no man_s land (1985 88) 02 geoff leigh the russians coming electronic unsorted
                                      'tag_artist'  Geoff Leigh
                                     'tag_release'  A Classic Guide to No Man's Land
                                       'tag_title'  The Russians are Coming
                                             'bpm'  87.5
                                    'search_title'  'are':3 'coming':4 'russians':2 'the':1
                                   'search_artist'  'geoff':1 'leigh':2
                                  'search_release'  'a':1 'classic':2 'guide':3 'land':9 'man':6 'mans':8 'no':5 's':7 'to':4
                                     'search_rest'  '1985':10,11 '88':12,13 'classic':4 'coming':18 'electronic':19 'etron':1 'fou':2 'geoff':14 'guide':5 'land':9 'leigh':15 'leloublan':3 'man':7 'no':6 'russians':17 's':8 'the':16 'unsorted':20
                                    'search_combo'  '1985':25,26 '88':27,28 'a':7C 'are':3A 'classic':8C,19 'coming':4A,33 'electronic':34 'etron':16 'fou':17 'geoff':5B,29 'guide':9C,20 'land':15C,24 'leigh':6B,30 'leloublan':18 'man':12C,22 'mans':14C 'no':11C,21 'russians':2A,32 's':13C,23 'the':1A,31 'to':10C 'unsorted':35
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['experimental rock', 'post-punk', 'new wave', 'astronomy', '11']
                                        'tag_date'  1987
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1642339774.339504  (2022-01-16 14:29:34)
                             'size'  12840969