======================== unified (from filesystem) ========================
                                         'bitrate'  '177.111'
                                        'duration'  '19'
                                          'artist'  'Biosphere'
                                     'text_people'  ''
                                         'release'  'Man with a Movie Camera'
                                           'title'  'Prologue'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'electronic', 'chillout', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-ambient;electronic-we-electropop or synthpop'
                                             'bpm'  '140.823'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Man with a Movie Camera'
'TBPM' (BPM (beats per minute))                     '140.823'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-ambient', 'electronic-we-electropop or synthpop']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Prologue'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Biosphere'
'TPE2' (Band/orchestra/accompaniment)               'Biosphere'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'chillout', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.26 dB'
'TXXX:replaygain_track_peak'                        '0.662508'

========================== row from database ==========================
                                              'id'  159291
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Biosphere, Bleep/Biosphere/2001 - Man With A Movie Camera - Substrata 2 - 192 kbps/01.prologue.mp3
                                         'working'  None
                                         'bitrate'  177
                                    'duration_sec'  19
                                           'genre'  electronic-ambient;electronic-we-electropop or synthpop
                                        'filesize'  440557
                                           'mtime'  1636909904
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Biosphere, Bleep 2001 With A Substrata 2 192 kbps 01.prologue electronic ambient;electronic we electropop or synthpop
                                      'tag_artist'  Biosphere
                                     'tag_release'  Man with a Movie Camera
                                       'tag_title'  Prologue
                                             'bpm'  140.823
                                    'search_title'  'prologue':1
                                   'search_artist'  'biosphere':1
                                  'search_release'  'a':3 'camera':5 'man':1 'movie':4 'with':2
                                     'search_rest'  '01':11 '01prologue':13 '192':9 '2':8 '2001':4 'a':6 'ambient':15,17 'biosphere':1,2 'bleep':3 'electronic':14,16,18 'electropop':20 'kbps':10 'or':21 'prologue':12 'substrata':7 'synthpop':22 'we':19 'with':5
                                    'search_combo'  '01':18 '01prologue':20 '192':16 '2':15 '2001':11 'a':5C,13 'ambient':22,24 'biosphere':2B,8,9 'bleep':10 'camera':7C 'electronic':21,23,25 'electropop':27 'kbps':17 'man':3C 'movie':6C 'or':28 'prologue':1A,19 'substrata':14 'synthpop':29 'we':26 'with':4C,12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'chillout', 'experimental', 'ambient']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636909904.349659  (2021-11-14 18:11:44)
                             'size'  440557