======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '289'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  'Release'
                                           'title'  'Love Is A Catastrophe'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                                     'discogstags'  "['electronic', 'rock', 'trance', 'pop rock', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '136.276'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Release'
'TBPM' (BPM (beats per minute))                     '136.276'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Love Is A Catastrophe'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pet Shop Boys'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'trance', 'pop rock', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.399850'

========================== row from database ==========================
                                              'id'  1421250
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Pet Shop Boys/Release/MBZ;#Pet Shop Boys;#Release;#07;#Love Is A Catastrophe.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  289
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6962373
                                           'mtime'  1620610294
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo MBZ;#Pet Boys;#Release;#07;#Love electronic we disco or italo
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  Release
                                       'tag_title'  Love Is A Catastrophe
                                             'bpm'  136.276
                                    'search_title'  'a':3 'catastrophe':4 'is':2 'love':1
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  'release':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '07':12,16 'boys':10,14 'disco':3 'electronic':18 'italo':5 'love':13,17 'mbz':6,8 'or':20 'pet':7,9 'release':11,15 'waves':2 'we':19
                                    'search_combo'  '00disco':12 '00poprockelectronic':9 '07':20,24 'a':3A 'boys':7B,18,22 'catastrophe':4A 'disco':11 'electronic':26 'is':2A 'italo':13 'love':1A,21,25 'mbz':14,16 'or':28 'pet':5B,15,17 'release':8C,19,23 'shop':6B 'waves':10 'we':27
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'rock', 'trance', 'pop rock', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620610294.1273108  (2021-05-10 03:31:34)
                             'size'  6962373