======================== unified (from filesystem) ========================
                                         'bitrate'  '172.543'
                                        'duration'  '138'
                                          'artist'  'Bee Gees'
                                     'text_people'  ''
                                         'release'  'Saturday Night Fever (The Original Movie Sound Track)'
                                           'title'  'Boogie Shoes'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['classic rock', '70s', 'oldies', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '8'
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '116'
                                             'key'  '6B'
                                        'acoustid'  '1e0babb7-47f3-4aa7-b79f-dc0062171381'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:CDDB Disc ID:XXX'                             '60091108'
'TALB' (Album/Movie/Show title)                     'Saturday Night Fever (The Original Movie Sound Track)'
'TBPM' (BPM (beats per minute))                     '116'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDOR' (Original release time)                      '1977'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Boogie Shoes'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'KC & The Sunshine Band'
'TPE2' (Band/orchestra/accompaniment)               'Bee Gees'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'RSO'
'TRCK' (Track number/Position in set)               '5/8'
'TSO2'                                              'Bee Gees'
'TSOP' (Performer sort order)                       'KC and the Sunshine Band'
'TSRC' (ISRC (international standard recording code))  'GBARK7800019/USA147600010'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'TXXX:Acoustid Id'                                  '1e0babb7-47f3-4aa7-b79f-dc0062171381'
'TXXX:Artists'                                      'KC & The Sunshine Band'
'TXXX:CATALOGNUMBER'                                '2658 123'
'TXXX:MusicBrainz Album Artist Id'                  'bf0f7e29-dfe1-416c-b5c6-f9ebc19ea810'
'TXXX:MusicBrainz Album Id'                         'ba634255-9462-42df-85f7-37a5cbae41ff'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation/soundtrack'
'TXXX:MusicBrainz Artist Id'                        '76a5a114-ed6a-4eb6-8a81-ad5768d4b41c'
'TXXX:MusicBrainz Release Group Id'                 '6e9a06a8-c8bb-3ea9-877a-417e74bb1c2e'
'TXXX:MusicBrainz Release Track Id'                 '2122f807-08d2-4b00-b565-8cd72bd715f1'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['classic rock', '70s', 'oldies', 'pop', 'disco']
'TXXX:originalyear'                                 '1977'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.63 dB'
'TXXX:replaygain_track_peak'                        '0.595609'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7486c3e7-ddf1-4f3a-bbb3-c908810993f5')

========================== row from database ==========================
                                              'id'  1528139
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Saturday Night Fever Soundtrack/K.c. and The Sunshine Band - 05 - Boogie Shoes.mp3
                                         'working'  None
                                         'bitrate'  172
                                    'duration_sec'  138
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  3086929
                                           'mtime'  1620538047
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s Soundtrack K.c. and Sunshine Band 05 electronic we disco or italo
                                      'tag_artist'  Bee Gees
                                     'tag_release'  Saturday Night Fever (The Original Movie Sound Track)
                                       'tag_title'  Boogie Shoes
                                             'bpm'  116.0
                                    'search_title'  'boogie':1 'shoes':2
                                   'search_artist'  'bee':1 'gees':2
                                  'search_release'  'fever':3 'movie':7 'night':2 'original':6 'saturday':1 'sound':8 'the':4,5 'track':9,10
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'and':11 'band':13 'c':9 'disco':2 'electronic':14 'italo':17 'k':8 'kc':10 'or':16 's':4,6 'soundtrack':7 'sunshine':12 'we':15
                                    'search_combo'  '00poprockelectronic':15 '70':17 '80':19 'and':25 'band':27 'bee':3B 'boogie':1A 'c':23 'disco':16 'electronic':28 'fever':7C 'gees':4B 'italo':31 'k':22 'kc':24 'movie':11C 'night':6C 'or':30 'original':10C 's':18,20 'saturday':5C 'shoes':2A 'sound':12C 'soundtrack':21 'sunshine':26 'the':8C,9C 'track':13C,14C 'we':29
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['classic rock', '70s', 'oldies', 'pop', 'disco']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538046.7020304  (2021-05-09 07:27:26)
                             'size'  3086929